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United Kingdom

Construction Testing Solutions

29 The Warren, Craftsmans Way, East Goscote, Syston, LE7 3SL, Leicester, United Kingdom

UKAS|4161ISO/IEC 17025Register refreshed 2026-10-09
Certificates
1
Scope items
75
Standards
73
Locations
1

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UKASRefreshed
4161Active

Accredited standards

73

Our reading of the UKAS scope: each standard once, with its official name where we have checked it. Click a standard to see the scope line it comes from, word for word.

EN

EN 932-1Tests for general properties of aggregates - Part 1: Methods for sampling
As written on the certificate · Line 60 (UKAS 4161)

BS EN 932-1: 1997; BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Density BS EN 12350-6: 2019 Site Making concrete cubes BS EN 12390-2: 2019 Site SOILS for civil engineering purposes Sampling site - excavated material - from heaps Documented In-House Method STP S0/Method 2 Issue 4 Site MCV - natural moisture content BS 1377-4: 1990; BS 1377-4; BS 1377-9; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 64 (UKAS 4161)

BS EN ISO 17892-1: 2014; BS EN ISO 17892-4:2014 Temp Uniformity Coefficient BS EN ISO 14688-2:2018 Temp Liquid limit Fall cone 4 Point method BSEN ISO 17892-12:2014; BSEN ISO 17892-12:2014; BS EN 933-1:2012 Temp Water content BS EN 1097-5:2008 Temp Sampling from stockpiles BS EN 932-1:1997 Site DIHM STP S0/Method 2 Issue 4 SOILS for civil engineering purposes Water Content BS EN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 66 (UKAS 4161)

BS EN 932-1: 1997 Site BINDER DISTRIBUTORS for road surfacing Rate of spread of binder - carpet tile method BS EN 12272-1:2002 Site BITUMINOUS MIXTURES for roads and other paved areas Temperature measurement - laid material - in a heap BS EN 12697-13: 2017 Contact method Site Temperature measurement - Measurements of temperature in a heap - Measurements of temperature in a paver hopper BS EN 12697-13:2017 Infrared-thermometer Site Sampling from - around augers of the paver - workable materials in heaps - coated chippings from stockpiles - finished material - core cutting method BS EN 12697-27: 2017; BS EN 12697-28:2020 Site Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022 Site Compacted Density - nuclear density method Documented In-House Method TP50 Issue 1 Site Compacted Density - non nuclear method Documented In-House Method TP 91 Issue1 Site BITUMINOUS ROAD PAVEMENT Surface macrotexture depth by volumetric patch technique BS EN 13036-1: 2010; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025; In-House Method TP50

As written on the certificate · Line 71 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-1: 1997 Lab Methods of reducing laboratory samples - using a riffle box - reduction by quartering - to a test portion of a specified mass within a small tolerance BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Water content BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 932-2Tests for general properties of aggregates - Part 2: Methods for reducing laboratory samples
As written on the certificate · Line 35 (UKAS 4161)

BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Percentage of crushed and broken surfaces in coarse aggregate particles BS EN 933-5: 1998; BS EN 933-11 :2009 Lab Micro-Deval coefficient BS EN 1097-1 :2011 Lab Micro-Deval coefficient of aggregates for railway ballast - modified method BS EN 1097-1: 2011 Annex A Lab Resistance to fragmentation of coarse aggregate - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2:2020 Annex A Lab Loose bulk density and voids BS EN 1097-3: 1998; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 43 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012; BS EN 933-11: 2009 Lab Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Uniformity coefficient B BS EN ISO 14688-2: 2018; BS EN 12350-4: 2019 Lab Density BS EN 12350-6: 2019 Lab Air Content - Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2: 2019; BS EN 14651: 2005

As written on the certificate · Line 46 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999; BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2: 2020 Lab Particle density and water absorption - pyknometer method for aggregate particles between 0; BS EN 1097-6:2022 Lab Particle density and water absorption BS EN 1097-6:2022 Lab - pyknometer method for aggregate particles between 4 mm and 31; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 48 (UKAS 4161)

BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Water content BS EN 1097-5:2008; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018 Lab Bulk density - sealed specimen BS EN 12697-6:2020 Lab Air voids content BS EN 12697-8:2018; BS EN 12697-28:2020; BS EN 12697-36:2022; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 51 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Micro-Deval coefficient BS EN 1097-1:2011 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2: 2020 Annex A Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2:2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018; BS EN 12697-6:2020; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 58 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 71 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-1: 1997 Lab Methods of reducing laboratory samples - using a riffle box - reduction by quartering - to a test portion of a specified mass within a small tolerance BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Water content BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 1367-2Name not checked yet
As written on the certificate · Line 6 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022; BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3:2 012 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of rail ballast - Los Angeles method BS EN 1097-2: 2020; BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022

As written on the certificate · Line 71 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-1: 1997 Lab Methods of reducing laboratory samples - using a riffle box - reduction by quartering - to a test portion of a specified mass within a small tolerance BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Water content BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12272-1Name not checked yet
As written on the certificate · Line 66 (UKAS 4161)

BS EN 932-1: 1997 Site BINDER DISTRIBUTORS for road surfacing Rate of spread of binder - carpet tile method BS EN 12272-1:2002 Site BITUMINOUS MIXTURES for roads and other paved areas Temperature measurement - laid material - in a heap BS EN 12697-13: 2017 Contact method Site Temperature measurement - Measurements of temperature in a heap - Measurements of temperature in a paver hopper BS EN 12697-13:2017 Infrared-thermometer Site Sampling from - around augers of the paver - workable materials in heaps - coated chippings from stockpiles - finished material - core cutting method BS EN 12697-27: 2017; BS EN 12697-28:2020 Site Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022 Site Compacted Density - nuclear density method Documented In-House Method TP50 Issue 1 Site Compacted Density - non nuclear method Documented In-House Method TP 91 Issue1 Site BITUMINOUS ROAD PAVEMENT Surface macrotexture depth by volumetric patch technique BS EN 13036-1: 2010; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025; In-House Method TP50

EN 12457-4Characterisation of waste - Leaching - Compliance test for leaching of granular waste materials and sludges - Part 4: One stage batch test at a liquid to solid ratio of 10 l/kg for materials with particle size below 10 mm (without or with size reduction)
As written on the certificate · Line 23 (UKAS 4161)

BS EN 12457 Lab SOIL and GENERAL WASTE Preparation for subsequent analysis by an ISO/IEC 17025; BS EN 12457; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO/IEC 17025; IEC 17025

As written on the certificate · Line 24 (UKAS 4161)

BS EN 12457; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025; In-House Method MS-CL-DOC; In-House Method MS-CL-Anions

As written on the certificate · Line 26 (UKAS 4161)

BS EN 12457; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025; In-House Method MS-CL-Soil; In-House method MS-CL-Metals

EN 12504-1Testing concrete in structures - Part 1: Cored specimens - Taking, examining and testing in compression
As written on the certificate · Line 7 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12697-5: 2018 Lab Bulk density - sealed specimen BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab CONCRETE -Fresh Making concrete cubes BS EN 12390-2: 2019 Lab CONCRETE - hardened Compressive strength of cubes BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Cored specimens - testing in compression BS EN 12504-1: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 37 (UKAS 4161)

BS EN 12697-32: 2019 Lab Determination of the thickness of a bituminous pavement BS EN 12697-36: 2022 Lab Core Logging Documented In-House Method B14 issue 2; BS EN 12350-6: 2019 Lab Air Content -Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2:2019; BS EN 14651:2005; BS EN 14488-7: 2006; BS EN 12390-3 :2019 Lab Curing BS EN 12390-2 :2019 Lab Dimensions BS EN 12390-1: 2021 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Fibre Content BS EN 14488-7: 2006 Lab PAVED SURFACES Skid resistance value BS EN 16165: 2021

As written on the certificate · Line 44 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Compressive strength of resin concrete cubes - including Curing and Density BS 6319-2: 1983 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Fibre Content BS EN 14488-7: 2006; BS EN 14651: 2005; BS EN 13286-4: 2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014

As written on the certificate · Line 52 (UKAS 4161)

BS EN ISO 17892- 1:2014; BS EN 12697-8:2018; BS EN 12697-9:2002; BS EN 12697-9:2002 Lab Dimensions of a specimen BS EN 12697-29:2020 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32:2019 Lab Thickness of a bituminous Pavement BS EN 12697-36:2003 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab Cored specimens - examining and testing in compression BS EN 12504-1:2019 Lab Depth of carbonation BS EN 14630:2006; BS 1377-2

As written on the certificate · Line 68 (UKAS 4161)

BS EN 14488-7: 2006 Site Static segregation of self- consolidating concrete - column technique ASTM C1610- 21 Site Bleeding of concrete ASTM C232- 21 Site CONCRETE - fresh reinforced Fibre content - Steel fibres BS EN 14721: 2005; BS EN 12504-1: 2019 Site Coring BS EN 14488-1: 2005 Site Drilling for dust samples Building Research Establishment Information Paper 21/86 Site Measurement of carbonation depth BS EN 14630: 2006 BRE Digest 405; BS EN 16165: 2021 Site PILED FOUNDATIONS Pile integrity ASTM D5882-16; BS 1881; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 73 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014 Lab Liquid limit - cone penetrometer - one point BS 1377-2: 1990 BS 1377-2: 2022 BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Lab Manufacture and initial curing of beams/prisms BSEN 12390-2: 2019 BS EN 14651: 2007; BS EN 12390-2: 2019 Lab Slump BS EN 12350-2: 2019 Lab CONCRETE - hardened Dimensions BS EN 12390-1: 2021 Lab Curing BS EN 12390-2: 2019 Lab Compressive strength of cubes BS EN 12390-3: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Density BS EN 12390-7: 2019 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Fibre content of fibre reinforced concrete BS EN 14488-7: 2006 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2

EN 13036-1Name not checked yet
As written on the certificate · Line 66 (UKAS 4161)

BS EN 932-1: 1997 Site BINDER DISTRIBUTORS for road surfacing Rate of spread of binder - carpet tile method BS EN 12272-1:2002 Site BITUMINOUS MIXTURES for roads and other paved areas Temperature measurement - laid material - in a heap BS EN 12697-13: 2017 Contact method Site Temperature measurement - Measurements of temperature in a heap - Measurements of temperature in a paver hopper BS EN 12697-13:2017 Infrared-thermometer Site Sampling from - around augers of the paver - workable materials in heaps - coated chippings from stockpiles - finished material - core cutting method BS EN 12697-27: 2017; BS EN 12697-28:2020 Site Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022 Site Compacted Density - nuclear density method Documented In-House Method TP50 Issue 1 Site Compacted Density - non nuclear method Documented In-House Method TP 91 Issue1 Site BITUMINOUS ROAD PAVEMENT Surface macrotexture depth by volumetric patch technique BS EN 13036-1: 2010; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025; In-House Method TP50

As written on the certificate · Line 69 (UKAS 4161)

BS EN 13036-4: 2011; BS EN 13036-1:2010; BS 1377-4; BS 1377-9; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 13036-4Name not checked yet
As written on the certificate · Line 38 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014; BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2: 1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN 13036-4: 2011 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1:2014

As written on the certificate · Line 69 (UKAS 4161)

BS EN 13036-4: 2011; BS EN 13036-1:2010; BS 1377-4; BS 1377-9; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 14488-1Name not checked yet
As written on the certificate · Line 68 (UKAS 4161)

BS EN 14488-7: 2006 Site Static segregation of self- consolidating concrete - column technique ASTM C1610- 21 Site Bleeding of concrete ASTM C232- 21 Site CONCRETE - fresh reinforced Fibre content - Steel fibres BS EN 14721: 2005; BS EN 12504-1: 2019 Site Coring BS EN 14488-1: 2005 Site Drilling for dust samples Building Research Establishment Information Paper 21/86 Site Measurement of carbonation depth BS EN 14630: 2006 BRE Digest 405; BS EN 16165: 2021 Site PILED FOUNDATIONS Pile integrity ASTM D5882-16; BS 1881; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 72 (UKAS 4161)

BS EN 12697-28: 2020; BS EN 12697-1: 2020; BS EN 12697-1: 2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5: 2018; BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab Determination of the dimensions of a bituminous sample BS EN 12697-29: 2002 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32: 2019 Lab CONCRETE - fresh Sampling - composite sample - spot sample BS EN 12350-1: 2019 Lab Sampling of fresh concrete BS EN 14488-1: 2005 Lab Slump BS EN 12350-2: 2019 Lab Air content - pressure gauge method BS EN 12350-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 14488-7Name not checked yet
As written on the certificate · Line 37 (UKAS 4161)

BS EN 12697-32: 2019 Lab Determination of the thickness of a bituminous pavement BS EN 12697-36: 2022 Lab Core Logging Documented In-House Method B14 issue 2; BS EN 12350-6: 2019 Lab Air Content -Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2:2019; BS EN 14651:2005; BS EN 14488-7: 2006; BS EN 12390-3 :2019 Lab Curing BS EN 12390-2 :2019 Lab Dimensions BS EN 12390-1: 2021 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Fibre Content BS EN 14488-7: 2006 Lab PAVED SURFACES Skid resistance value BS EN 16165: 2021

As written on the certificate · Line 44 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Compressive strength of resin concrete cubes - including Curing and Density BS 6319-2: 1983 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Fibre Content BS EN 14488-7: 2006; BS EN 14651: 2005; BS EN 13286-4: 2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014

As written on the certificate · Line 68 (UKAS 4161)

BS EN 14488-7: 2006 Site Static segregation of self- consolidating concrete - column technique ASTM C1610- 21 Site Bleeding of concrete ASTM C232- 21 Site CONCRETE - fresh reinforced Fibre content - Steel fibres BS EN 14721: 2005; BS EN 12504-1: 2019 Site Coring BS EN 14488-1: 2005 Site Drilling for dust samples Building Research Establishment Information Paper 21/86 Site Measurement of carbonation depth BS EN 14630: 2006 BRE Digest 405; BS EN 16165: 2021 Site PILED FOUNDATIONS Pile integrity ASTM D5882-16; BS 1881; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 73 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014 Lab Liquid limit - cone penetrometer - one point BS 1377-2: 1990 BS 1377-2: 2022 BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Lab Manufacture and initial curing of beams/prisms BSEN 12390-2: 2019 BS EN 14651: 2007; BS EN 12390-2: 2019 Lab Slump BS EN 12350-2: 2019 Lab CONCRETE - hardened Dimensions BS EN 12390-1: 2021 Lab Curing BS EN 12390-2: 2019 Lab Compressive strength of cubes BS EN 12390-3: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Density BS EN 12390-7: 2019 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Fibre content of fibre reinforced concrete BS EN 14488-7: 2006 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2

EN 14630Name not checked yet
As written on the certificate · Line 30 (UKAS 4161)

BS EN 14630: 2006 Lab Presence of High Alumina Cement by rapid chemical method BRE Information Sheet IS 15/74 Lab Capillary porosity BS 1881:Part 124: 2015 Lab heat Original water/cement ratio BS 1881:Part 124: 2015; BS 1881; BS 4551; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 52 (UKAS 4161)

BS EN ISO 17892- 1:2014; BS EN 12697-8:2018; BS EN 12697-9:2002; BS EN 12697-9:2002 Lab Dimensions of a specimen BS EN 12697-29:2020 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32:2019 Lab Thickness of a bituminous Pavement BS EN 12697-36:2003 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab Cored specimens - examining and testing in compression BS EN 12504-1:2019 Lab Depth of carbonation BS EN 14630:2006; BS 1377-2

As written on the certificate · Line 68 (UKAS 4161)

BS EN 14488-7: 2006 Site Static segregation of self- consolidating concrete - column technique ASTM C1610- 21 Site Bleeding of concrete ASTM C232- 21 Site CONCRETE - fresh reinforced Fibre content - Steel fibres BS EN 14721: 2005; BS EN 12504-1: 2019 Site Coring BS EN 14488-1: 2005 Site Drilling for dust samples Building Research Establishment Information Paper 21/86 Site Measurement of carbonation depth BS EN 14630: 2006 BRE Digest 405; BS EN 16165: 2021 Site PILED FOUNDATIONS Pile integrity ASTM D5882-16; BS 1881; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 14651Name not checked yet
As written on the certificate · Line 37 (UKAS 4161)

BS EN 12697-32: 2019 Lab Determination of the thickness of a bituminous pavement BS EN 12697-36: 2022 Lab Core Logging Documented In-House Method B14 issue 2; BS EN 12350-6: 2019 Lab Air Content -Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2:2019; BS EN 14651:2005; BS EN 14488-7: 2006; BS EN 12390-3 :2019 Lab Curing BS EN 12390-2 :2019 Lab Dimensions BS EN 12390-1: 2021 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Fibre Content BS EN 14488-7: 2006 Lab PAVED SURFACES Skid resistance value BS EN 16165: 2021

As written on the certificate · Line 43 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012; BS EN 933-11: 2009 Lab Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Uniformity coefficient B BS EN ISO 14688-2: 2018; BS EN 12350-4: 2019 Lab Density BS EN 12350-6: 2019 Lab Air Content - Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2: 2019; BS EN 14651: 2005

As written on the certificate · Line 44 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Compressive strength of resin concrete cubes - including Curing and Density BS 6319-2: 1983 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Fibre Content BS EN 14488-7: 2006; BS EN 14651: 2005; BS EN 13286-4: 2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014

As written on the certificate · Line 67 (UKAS 4161)

BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Determination of Flow BS EN 12350-5: 2019 Site Density BS EN 12350-6: 2019 Site Air content - pressure gauge method BS EN 12350-7: 2019 Site Slump Flow and T500 BS EN 12350-8: 2019 Site V-Funnel BS EN 12350-9: 2010 Site L box BS EN 12350-10: 2010 Site Sieve Segregation BS EN 12350-11: 2010 Site J Ring BS EN 12350-12: 2010 Site Making concrete cubes BS EN 12390-2: 2019 Site Curing concrete cubes BS EN 12390-2: 2019 Site Making concrete cylinders BS EN 12390-2: 2019 Site Making concrete Prism BS EN 12390-2: 2019 Site Method for Making Test Beams from Fresh Concrete BS EN 12390-2: 2019 BS EN 14651:2005; BS 594987; BS 598-1; BS 1881-103; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 73 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014 Lab Liquid limit - cone penetrometer - one point BS 1377-2: 1990 BS 1377-2: 2022 BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Lab Manufacture and initial curing of beams/prisms BSEN 12390-2: 2019 BS EN 14651: 2007; BS EN 12390-2: 2019 Lab Slump BS EN 12350-2: 2019 Lab CONCRETE - hardened Dimensions BS EN 12390-1: 2021 Lab Curing BS EN 12390-2: 2019 Lab Compressive strength of cubes BS EN 12390-3: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Density BS EN 12390-7: 2019 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Fibre content of fibre reinforced concrete BS EN 14488-7: 2006 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2

EN 14721Name not checked yet
As written on the certificate · Line 68 (UKAS 4161)

BS EN 14488-7: 2006 Site Static segregation of self- consolidating concrete - column technique ASTM C1610- 21 Site Bleeding of concrete ASTM C232- 21 Site CONCRETE - fresh reinforced Fibre content - Steel fibres BS EN 14721: 2005; BS EN 12504-1: 2019 Site Coring BS EN 14488-1: 2005 Site Drilling for dust samples Building Research Establishment Information Paper 21/86 Site Measurement of carbonation depth BS EN 14630: 2006 BRE Digest 405; BS EN 16165: 2021 Site PILED FOUNDATIONS Pile integrity ASTM D5882-16; BS 1881; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 16165Name not checked yet
As written on the certificate · Line 37 (UKAS 4161)

BS EN 12697-32: 2019 Lab Determination of the thickness of a bituminous pavement BS EN 12697-36: 2022 Lab Core Logging Documented In-House Method B14 issue 2; BS EN 12350-6: 2019 Lab Air Content -Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2:2019; BS EN 14651:2005; BS EN 14488-7: 2006; BS EN 12390-3 :2019 Lab Curing BS EN 12390-2 :2019 Lab Dimensions BS EN 12390-1: 2021 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Fibre Content BS EN 14488-7: 2006 Lab PAVED SURFACES Skid resistance value BS EN 16165: 2021

As written on the certificate · Line 68 (UKAS 4161)

BS EN 14488-7: 2006 Site Static segregation of self- consolidating concrete - column technique ASTM C1610- 21 Site Bleeding of concrete ASTM C232- 21 Site CONCRETE - fresh reinforced Fibre content - Steel fibres BS EN 14721: 2005; BS EN 12504-1: 2019 Site Coring BS EN 14488-1: 2005 Site Drilling for dust samples Building Research Establishment Information Paper 21/86 Site Measurement of carbonation depth BS EN 14630: 2006 BRE Digest 405; BS EN 16165: 2021 Site PILED FOUNDATIONS Pile integrity ASTM D5882-16; BS 1881; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 17892-10Name not checked yet
As written on the certificate · Line 40 (UKAS 4161)

BS EN 17892-10: 2018 BS1377-7:1990 Lab Effective angle of internal friction and effective cohesion Specification for Highway Works Volume 1 Clause 636 February 2016 Lab UNBOUND and HYDRALICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4: 2021 Lab Compressive strength of hydraulically bound mixtures BS EN 13286-41: 2021 Lab Moisture condition value BS EN 13286-46: 2003 Lab Manufacture of test specimens of hydraulically bound mixtures using vibrating hammer compaction BS EN 13286-51: 2004; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

EN 12697 series

EN 12697-1Bituminous mixtures - Test methods - Part 1: Soluble binder content
As written on the certificate · Line 34 (UKAS 4161)

BS EN 12697-1: 2020; BS EN 12697-1: 2020 Lab Particle size distribution BS EN 12697-2: 2024; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 36 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 1097-5: 2008; BS EN 1097-6: 2022; BS EN 1097-6: 2022 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; BS EN 12697-1: 2020

As written on the certificate · Line 48 (UKAS 4161)

BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Water content BS EN 1097-5:2008; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018 Lab Bulk density - sealed specimen BS EN 12697-6:2020 Lab Air voids content BS EN 12697-8:2018; BS EN 12697-28:2020; BS EN 12697-36:2022; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 51 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Micro-Deval coefficient BS EN 1097-1:2011 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2: 2020 Annex A Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2:2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018; BS EN 12697-6:2020; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 72 (UKAS 4161)

BS EN 12697-28: 2020; BS EN 12697-1: 2020; BS EN 12697-1: 2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5: 2018; BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab Determination of the dimensions of a bituminous sample BS EN 12697-29: 2002 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32: 2019 Lab CONCRETE - fresh Sampling - composite sample - spot sample BS EN 12350-1: 2019 Lab Sampling of fresh concrete BS EN 14488-1: 2005 Lab Slump BS EN 12350-2: 2019 Lab Air content - pressure gauge method BS EN 12350-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12697-2Bituminous mixtures - Test methods - Part 2: Determination of particle size distribution
As written on the certificate · Line 34 (UKAS 4161)

BS EN 12697-1: 2020; BS EN 12697-1: 2020 Lab Particle size distribution BS EN 12697-2: 2024; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 48 (UKAS 4161)

BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Water content BS EN 1097-5:2008; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018 Lab Bulk density - sealed specimen BS EN 12697-6:2020 Lab Air voids content BS EN 12697-8:2018; BS EN 12697-28:2020; BS EN 12697-36:2022; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 51 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Micro-Deval coefficient BS EN 1097-1:2011 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2: 2020 Annex A Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2:2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018; BS EN 12697-6:2020; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 72 (UKAS 4161)

BS EN 12697-28: 2020; BS EN 12697-1: 2020; BS EN 12697-1: 2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5: 2018; BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab Determination of the dimensions of a bituminous sample BS EN 12697-29: 2002 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32: 2019 Lab CONCRETE - fresh Sampling - composite sample - spot sample BS EN 12350-1: 2019 Lab Sampling of fresh concrete BS EN 14488-1: 2005 Lab Slump BS EN 12350-2: 2019 Lab Air content - pressure gauge method BS EN 12350-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12697-5Bituminous mixtures - Test methods - Part 5: Determination of the maximum density
As written on the certificate · Line 7 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12697-5: 2018 Lab Bulk density - sealed specimen BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab CONCRETE -Fresh Making concrete cubes BS EN 12390-2: 2019 Lab CONCRETE - hardened Compressive strength of cubes BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Cored specimens - testing in compression BS EN 12504-1: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 48 (UKAS 4161)

BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Water content BS EN 1097-5:2008; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018 Lab Bulk density - sealed specimen BS EN 12697-6:2020 Lab Air voids content BS EN 12697-8:2018; BS EN 12697-28:2020; BS EN 12697-36:2022; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 51 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Micro-Deval coefficient BS EN 1097-1:2011 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2: 2020 Annex A Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2:2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018; BS EN 12697-6:2020; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 72 (UKAS 4161)

BS EN 12697-28: 2020; BS EN 12697-1: 2020; BS EN 12697-1: 2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5: 2018; BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab Determination of the dimensions of a bituminous sample BS EN 12697-29: 2002 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32: 2019 Lab CONCRETE - fresh Sampling - composite sample - spot sample BS EN 12350-1: 2019 Lab Sampling of fresh concrete BS EN 14488-1: 2005 Lab Slump BS EN 12350-2: 2019 Lab Air content - pressure gauge method BS EN 12350-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12697-6Bituminous mixtures - Test methods - Part 6: Determination of bulk density of bituminous specimens
As written on the certificate · Line 7 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12697-5: 2018 Lab Bulk density - sealed specimen BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab CONCRETE -Fresh Making concrete cubes BS EN 12390-2: 2019 Lab CONCRETE - hardened Compressive strength of cubes BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Cored specimens - testing in compression BS EN 12504-1: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 48 (UKAS 4161)

BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Water content BS EN 1097-5:2008; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018 Lab Bulk density - sealed specimen BS EN 12697-6:2020 Lab Air voids content BS EN 12697-8:2018; BS EN 12697-28:2020; BS EN 12697-36:2022; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 51 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Micro-Deval coefficient BS EN 1097-1:2011 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2: 2020 Annex A Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2:2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018; BS EN 12697-6:2020; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 72 (UKAS 4161)

BS EN 12697-28: 2020; BS EN 12697-1: 2020; BS EN 12697-1: 2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5: 2018; BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab Determination of the dimensions of a bituminous sample BS EN 12697-29: 2002 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32: 2019 Lab CONCRETE - fresh Sampling - composite sample - spot sample BS EN 12350-1: 2019 Lab Sampling of fresh concrete BS EN 14488-1: 2005 Lab Slump BS EN 12350-2: 2019 Lab Air content - pressure gauge method BS EN 12350-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12697-8Bituminous mixtures - Test methods - Part 8: Determination of void characteristics of bituminous specimens
As written on the certificate · Line 7 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12697-5: 2018 Lab Bulk density - sealed specimen BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab CONCRETE -Fresh Making concrete cubes BS EN 12390-2: 2019 Lab CONCRETE - hardened Compressive strength of cubes BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Cored specimens - testing in compression BS EN 12504-1: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 48 (UKAS 4161)

BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Water content BS EN 1097-5:2008; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018 Lab Bulk density - sealed specimen BS EN 12697-6:2020 Lab Air voids content BS EN 12697-8:2018; BS EN 12697-28:2020; BS EN 12697-36:2022; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 52 (UKAS 4161)

BS EN ISO 17892- 1:2014; BS EN 12697-8:2018; BS EN 12697-9:2002; BS EN 12697-9:2002 Lab Dimensions of a specimen BS EN 12697-29:2020 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32:2019 Lab Thickness of a bituminous Pavement BS EN 12697-36:2003 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab Cored specimens - examining and testing in compression BS EN 12504-1:2019 Lab Depth of carbonation BS EN 14630:2006; BS 1377-2

As written on the certificate · Line 72 (UKAS 4161)

BS EN 12697-28: 2020; BS EN 12697-1: 2020; BS EN 12697-1: 2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5: 2018; BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab Determination of the dimensions of a bituminous sample BS EN 12697-29: 2002 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32: 2019 Lab CONCRETE - fresh Sampling - composite sample - spot sample BS EN 12350-1: 2019 Lab Sampling of fresh concrete BS EN 14488-1: 2005 Lab Slump BS EN 12350-2: 2019 Lab Air content - pressure gauge method BS EN 12350-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12697-9Name not checked yet
As written on the certificate · Line 52 (UKAS 4161)

BS EN ISO 17892- 1:2014; BS EN 12697-8:2018; BS EN 12697-9:2002; BS EN 12697-9:2002 Lab Dimensions of a specimen BS EN 12697-29:2020 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32:2019 Lab Thickness of a bituminous Pavement BS EN 12697-36:2003 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab Cored specimens - examining and testing in compression BS EN 12504-1:2019 Lab Depth of carbonation BS EN 14630:2006; BS 1377-2

EN 12697-13Name not checked yet
As written on the certificate · Line 66 (UKAS 4161)

BS EN 932-1: 1997 Site BINDER DISTRIBUTORS for road surfacing Rate of spread of binder - carpet tile method BS EN 12272-1:2002 Site BITUMINOUS MIXTURES for roads and other paved areas Temperature measurement - laid material - in a heap BS EN 12697-13: 2017 Contact method Site Temperature measurement - Measurements of temperature in a heap - Measurements of temperature in a paver hopper BS EN 12697-13:2017 Infrared-thermometer Site Sampling from - around augers of the paver - workable materials in heaps - coated chippings from stockpiles - finished material - core cutting method BS EN 12697-27: 2017; BS EN 12697-28:2020 Site Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022 Site Compacted Density - nuclear density method Documented In-House Method TP50 Issue 1 Site Compacted Density - non nuclear method Documented In-House Method TP 91 Issue1 Site BITUMINOUS ROAD PAVEMENT Surface macrotexture depth by volumetric patch technique BS EN 13036-1: 2010; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025; In-House Method TP50

EN 12697-27Bituminous mixtures - Test methods - Part 27: Sampling
As written on the certificate · Line 66 (UKAS 4161)

BS EN 932-1: 1997 Site BINDER DISTRIBUTORS for road surfacing Rate of spread of binder - carpet tile method BS EN 12272-1:2002 Site BITUMINOUS MIXTURES for roads and other paved areas Temperature measurement - laid material - in a heap BS EN 12697-13: 2017 Contact method Site Temperature measurement - Measurements of temperature in a heap - Measurements of temperature in a paver hopper BS EN 12697-13:2017 Infrared-thermometer Site Sampling from - around augers of the paver - workable materials in heaps - coated chippings from stockpiles - finished material - core cutting method BS EN 12697-27: 2017; BS EN 12697-28:2020 Site Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022 Site Compacted Density - nuclear density method Documented In-House Method TP50 Issue 1 Site Compacted Density - non nuclear method Documented In-House Method TP 91 Issue1 Site BITUMINOUS ROAD PAVEMENT Surface macrotexture depth by volumetric patch technique BS EN 13036-1: 2010; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025; In-House Method TP50

EN 12697-28Name not checked yet
As written on the certificate · Line 48 (UKAS 4161)

BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Water content BS EN 1097-5:2008; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018 Lab Bulk density - sealed specimen BS EN 12697-6:2020 Lab Air voids content BS EN 12697-8:2018; BS EN 12697-28:2020; BS EN 12697-36:2022; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 66 (UKAS 4161)

BS EN 932-1: 1997 Site BINDER DISTRIBUTORS for road surfacing Rate of spread of binder - carpet tile method BS EN 12272-1:2002 Site BITUMINOUS MIXTURES for roads and other paved areas Temperature measurement - laid material - in a heap BS EN 12697-13: 2017 Contact method Site Temperature measurement - Measurements of temperature in a heap - Measurements of temperature in a paver hopper BS EN 12697-13:2017 Infrared-thermometer Site Sampling from - around augers of the paver - workable materials in heaps - coated chippings from stockpiles - finished material - core cutting method BS EN 12697-27: 2017; BS EN 12697-28:2020 Site Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022 Site Compacted Density - nuclear density method Documented In-House Method TP50 Issue 1 Site Compacted Density - non nuclear method Documented In-House Method TP 91 Issue1 Site BITUMINOUS ROAD PAVEMENT Surface macrotexture depth by volumetric patch technique BS EN 13036-1: 2010; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025; In-House Method TP50

As written on the certificate · Line 72 (UKAS 4161)

BS EN 12697-28: 2020; BS EN 12697-1: 2020; BS EN 12697-1: 2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5: 2018; BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab Determination of the dimensions of a bituminous sample BS EN 12697-29: 2002 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32: 2019 Lab CONCRETE - fresh Sampling - composite sample - spot sample BS EN 12350-1: 2019 Lab Sampling of fresh concrete BS EN 14488-1: 2005 Lab Slump BS EN 12350-2: 2019 Lab Air content - pressure gauge method BS EN 12350-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12697-29Name not checked yet
As written on the certificate · Line 52 (UKAS 4161)

BS EN ISO 17892- 1:2014; BS EN 12697-8:2018; BS EN 12697-9:2002; BS EN 12697-9:2002 Lab Dimensions of a specimen BS EN 12697-29:2020 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32:2019 Lab Thickness of a bituminous Pavement BS EN 12697-36:2003 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab Cored specimens - examining and testing in compression BS EN 12504-1:2019 Lab Depth of carbonation BS EN 14630:2006; BS 1377-2

As written on the certificate · Line 72 (UKAS 4161)

BS EN 12697-28: 2020; BS EN 12697-1: 2020; BS EN 12697-1: 2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5: 2018; BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab Determination of the dimensions of a bituminous sample BS EN 12697-29: 2002 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32: 2019 Lab CONCRETE - fresh Sampling - composite sample - spot sample BS EN 12350-1: 2019 Lab Sampling of fresh concrete BS EN 14488-1: 2005 Lab Slump BS EN 12350-2: 2019 Lab Air content - pressure gauge method BS EN 12350-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12697-32Name not checked yet
As written on the certificate · Line 37 (UKAS 4161)

BS EN 12697-32: 2019 Lab Determination of the thickness of a bituminous pavement BS EN 12697-36: 2022 Lab Core Logging Documented In-House Method B14 issue 2; BS EN 12350-6: 2019 Lab Air Content -Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2:2019; BS EN 14651:2005; BS EN 14488-7: 2006; BS EN 12390-3 :2019 Lab Curing BS EN 12390-2 :2019 Lab Dimensions BS EN 12390-1: 2021 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Fibre Content BS EN 14488-7: 2006 Lab PAVED SURFACES Skid resistance value BS EN 16165: 2021

As written on the certificate · Line 52 (UKAS 4161)

BS EN ISO 17892- 1:2014; BS EN 12697-8:2018; BS EN 12697-9:2002; BS EN 12697-9:2002 Lab Dimensions of a specimen BS EN 12697-29:2020 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32:2019 Lab Thickness of a bituminous Pavement BS EN 12697-36:2003 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab Cored specimens - examining and testing in compression BS EN 12504-1:2019 Lab Depth of carbonation BS EN 14630:2006; BS 1377-2

As written on the certificate · Line 72 (UKAS 4161)

BS EN 12697-28: 2020; BS EN 12697-1: 2020; BS EN 12697-1: 2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5: 2018; BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab Determination of the dimensions of a bituminous sample BS EN 12697-29: 2002 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32: 2019 Lab CONCRETE - fresh Sampling - composite sample - spot sample BS EN 12350-1: 2019 Lab Sampling of fresh concrete BS EN 14488-1: 2005 Lab Slump BS EN 12350-2: 2019 Lab Air content - pressure gauge method BS EN 12350-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12697-36Bituminous mixtures - Test methods - Part 36: Determination of the thickness of bituminous pavement
As written on the certificate · Line 6 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022; BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3:2 012 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of rail ballast - Los Angeles method BS EN 1097-2: 2020; BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022

As written on the certificate · Line 37 (UKAS 4161)

BS EN 12697-32: 2019 Lab Determination of the thickness of a bituminous pavement BS EN 12697-36: 2022 Lab Core Logging Documented In-House Method B14 issue 2; BS EN 12350-6: 2019 Lab Air Content -Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2:2019; BS EN 14651:2005; BS EN 14488-7: 2006; BS EN 12390-3 :2019 Lab Curing BS EN 12390-2 :2019 Lab Dimensions BS EN 12390-1: 2021 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Fibre Content BS EN 14488-7: 2006 Lab PAVED SURFACES Skid resistance value BS EN 16165: 2021

As written on the certificate · Line 48 (UKAS 4161)

BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Water content BS EN 1097-5:2008; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018 Lab Bulk density - sealed specimen BS EN 12697-6:2020 Lab Air voids content BS EN 12697-8:2018; BS EN 12697-28:2020; BS EN 12697-36:2022; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 52 (UKAS 4161)

BS EN ISO 17892- 1:2014; BS EN 12697-8:2018; BS EN 12697-9:2002; BS EN 12697-9:2002 Lab Dimensions of a specimen BS EN 12697-29:2020 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32:2019 Lab Thickness of a bituminous Pavement BS EN 12697-36:2003 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab Cored specimens - examining and testing in compression BS EN 12504-1:2019 Lab Depth of carbonation BS EN 14630:2006; BS 1377-2

As written on the certificate · Line 66 (UKAS 4161)

BS EN 932-1: 1997 Site BINDER DISTRIBUTORS for road surfacing Rate of spread of binder - carpet tile method BS EN 12272-1:2002 Site BITUMINOUS MIXTURES for roads and other paved areas Temperature measurement - laid material - in a heap BS EN 12697-13: 2017 Contact method Site Temperature measurement - Measurements of temperature in a heap - Measurements of temperature in a paver hopper BS EN 12697-13:2017 Infrared-thermometer Site Sampling from - around augers of the paver - workable materials in heaps - coated chippings from stockpiles - finished material - core cutting method BS EN 12697-27: 2017; BS EN 12697-28:2020 Site Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022 Site Compacted Density - nuclear density method Documented In-House Method TP50 Issue 1 Site Compacted Density - non nuclear method Documented In-House Method TP 91 Issue1 Site BITUMINOUS ROAD PAVEMENT Surface macrotexture depth by volumetric patch technique BS EN 13036-1: 2010; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025; In-House Method TP50

EN 12350 series

EN 12350-1Testing fresh concrete - Part 1: Sampling and common apparatus
As written on the certificate · Line 60 (UKAS 4161)

BS EN 932-1: 1997; BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Density BS EN 12350-6: 2019 Site Making concrete cubes BS EN 12390-2: 2019 Site SOILS for civil engineering purposes Sampling site - excavated material - from heaps Documented In-House Method STP S0/Method 2 Issue 4 Site MCV - natural moisture content BS 1377-4: 1990; BS 1377-4; BS 1377-9; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 67 (UKAS 4161)

BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Determination of Flow BS EN 12350-5: 2019 Site Density BS EN 12350-6: 2019 Site Air content - pressure gauge method BS EN 12350-7: 2019 Site Slump Flow and T500 BS EN 12350-8: 2019 Site V-Funnel BS EN 12350-9: 2010 Site L box BS EN 12350-10: 2010 Site Sieve Segregation BS EN 12350-11: 2010 Site J Ring BS EN 12350-12: 2010 Site Making concrete cubes BS EN 12390-2: 2019 Site Curing concrete cubes BS EN 12390-2: 2019 Site Making concrete cylinders BS EN 12390-2: 2019 Site Making concrete Prism BS EN 12390-2: 2019 Site Method for Making Test Beams from Fresh Concrete BS EN 12390-2: 2019 BS EN 14651:2005; BS 594987; BS 598-1; BS 1881-103; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 72 (UKAS 4161)

BS EN 12697-28: 2020; BS EN 12697-1: 2020; BS EN 12697-1: 2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5: 2018; BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab Determination of the dimensions of a bituminous sample BS EN 12697-29: 2002 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32: 2019 Lab CONCRETE - fresh Sampling - composite sample - spot sample BS EN 12350-1: 2019 Lab Sampling of fresh concrete BS EN 14488-1: 2005 Lab Slump BS EN 12350-2: 2019 Lab Air content - pressure gauge method BS EN 12350-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12350-2Testing fresh concrete - Part 2: Slump-test
As written on the certificate · Line 60 (UKAS 4161)

BS EN 932-1: 1997; BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Density BS EN 12350-6: 2019 Site Making concrete cubes BS EN 12390-2: 2019 Site SOILS for civil engineering purposes Sampling site - excavated material - from heaps Documented In-House Method STP S0/Method 2 Issue 4 Site MCV - natural moisture content BS 1377-4: 1990; BS 1377-4; BS 1377-9; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 67 (UKAS 4161)

BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Determination of Flow BS EN 12350-5: 2019 Site Density BS EN 12350-6: 2019 Site Air content - pressure gauge method BS EN 12350-7: 2019 Site Slump Flow and T500 BS EN 12350-8: 2019 Site V-Funnel BS EN 12350-9: 2010 Site L box BS EN 12350-10: 2010 Site Sieve Segregation BS EN 12350-11: 2010 Site J Ring BS EN 12350-12: 2010 Site Making concrete cubes BS EN 12390-2: 2019 Site Curing concrete cubes BS EN 12390-2: 2019 Site Making concrete cylinders BS EN 12390-2: 2019 Site Making concrete Prism BS EN 12390-2: 2019 Site Method for Making Test Beams from Fresh Concrete BS EN 12390-2: 2019 BS EN 14651:2005; BS 594987; BS 598-1; BS 1881-103; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 72 (UKAS 4161)

BS EN 12697-28: 2020; BS EN 12697-1: 2020; BS EN 12697-1: 2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5: 2018; BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab Determination of the dimensions of a bituminous sample BS EN 12697-29: 2002 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32: 2019 Lab CONCRETE - fresh Sampling - composite sample - spot sample BS EN 12350-1: 2019 Lab Sampling of fresh concrete BS EN 14488-1: 2005 Lab Slump BS EN 12350-2: 2019 Lab Air content - pressure gauge method BS EN 12350-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 73 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014 Lab Liquid limit - cone penetrometer - one point BS 1377-2: 1990 BS 1377-2: 2022 BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Lab Manufacture and initial curing of beams/prisms BSEN 12390-2: 2019 BS EN 14651: 2007; BS EN 12390-2: 2019 Lab Slump BS EN 12350-2: 2019 Lab CONCRETE - hardened Dimensions BS EN 12390-1: 2021 Lab Curing BS EN 12390-2: 2019 Lab Compressive strength of cubes BS EN 12390-3: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Density BS EN 12390-7: 2019 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Fibre content of fibre reinforced concrete BS EN 14488-7: 2006 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2

EN 12350-4Name not checked yet
As written on the certificate · Line 43 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012; BS EN 933-11: 2009 Lab Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Uniformity coefficient B BS EN ISO 14688-2: 2018; BS EN 12350-4: 2019 Lab Density BS EN 12350-6: 2019 Lab Air Content - Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2: 2019; BS EN 14651: 2005

EN 12350-5Name not checked yet
As written on the certificate · Line 67 (UKAS 4161)

BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Determination of Flow BS EN 12350-5: 2019 Site Density BS EN 12350-6: 2019 Site Air content - pressure gauge method BS EN 12350-7: 2019 Site Slump Flow and T500 BS EN 12350-8: 2019 Site V-Funnel BS EN 12350-9: 2010 Site L box BS EN 12350-10: 2010 Site Sieve Segregation BS EN 12350-11: 2010 Site J Ring BS EN 12350-12: 2010 Site Making concrete cubes BS EN 12390-2: 2019 Site Curing concrete cubes BS EN 12390-2: 2019 Site Making concrete cylinders BS EN 12390-2: 2019 Site Making concrete Prism BS EN 12390-2: 2019 Site Method for Making Test Beams from Fresh Concrete BS EN 12390-2: 2019 BS EN 14651:2005; BS 594987; BS 598-1; BS 1881-103; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12350-6Name not checked yet
As written on the certificate · Line 37 (UKAS 4161)

BS EN 12697-32: 2019 Lab Determination of the thickness of a bituminous pavement BS EN 12697-36: 2022 Lab Core Logging Documented In-House Method B14 issue 2; BS EN 12350-6: 2019 Lab Air Content -Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2:2019; BS EN 14651:2005; BS EN 14488-7: 2006; BS EN 12390-3 :2019 Lab Curing BS EN 12390-2 :2019 Lab Dimensions BS EN 12390-1: 2021 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Fibre Content BS EN 14488-7: 2006 Lab PAVED SURFACES Skid resistance value BS EN 16165: 2021

As written on the certificate · Line 43 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012; BS EN 933-11: 2009 Lab Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Uniformity coefficient B BS EN ISO 14688-2: 2018; BS EN 12350-4: 2019 Lab Density BS EN 12350-6: 2019 Lab Air Content - Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2: 2019; BS EN 14651: 2005

As written on the certificate · Line 60 (UKAS 4161)

BS EN 932-1: 1997; BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Density BS EN 12350-6: 2019 Site Making concrete cubes BS EN 12390-2: 2019 Site SOILS for civil engineering purposes Sampling site - excavated material - from heaps Documented In-House Method STP S0/Method 2 Issue 4 Site MCV - natural moisture content BS 1377-4: 1990; BS 1377-4; BS 1377-9; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 67 (UKAS 4161)

BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Determination of Flow BS EN 12350-5: 2019 Site Density BS EN 12350-6: 2019 Site Air content - pressure gauge method BS EN 12350-7: 2019 Site Slump Flow and T500 BS EN 12350-8: 2019 Site V-Funnel BS EN 12350-9: 2010 Site L box BS EN 12350-10: 2010 Site Sieve Segregation BS EN 12350-11: 2010 Site J Ring BS EN 12350-12: 2010 Site Making concrete cubes BS EN 12390-2: 2019 Site Curing concrete cubes BS EN 12390-2: 2019 Site Making concrete cylinders BS EN 12390-2: 2019 Site Making concrete Prism BS EN 12390-2: 2019 Site Method for Making Test Beams from Fresh Concrete BS EN 12390-2: 2019 BS EN 14651:2005; BS 594987; BS 598-1; BS 1881-103; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12350-7Testing fresh concrete - Part 7: Air content - Pressure methods
As written on the certificate · Line 37 (UKAS 4161)

BS EN 12697-32: 2019 Lab Determination of the thickness of a bituminous pavement BS EN 12697-36: 2022 Lab Core Logging Documented In-House Method B14 issue 2; BS EN 12350-6: 2019 Lab Air Content -Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2:2019; BS EN 14651:2005; BS EN 14488-7: 2006; BS EN 12390-3 :2019 Lab Curing BS EN 12390-2 :2019 Lab Dimensions BS EN 12390-1: 2021 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Fibre Content BS EN 14488-7: 2006 Lab PAVED SURFACES Skid resistance value BS EN 16165: 2021

As written on the certificate · Line 43 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012; BS EN 933-11: 2009 Lab Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Uniformity coefficient B BS EN ISO 14688-2: 2018; BS EN 12350-4: 2019 Lab Density BS EN 12350-6: 2019 Lab Air Content - Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2: 2019; BS EN 14651: 2005

As written on the certificate · Line 67 (UKAS 4161)

BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Determination of Flow BS EN 12350-5: 2019 Site Density BS EN 12350-6: 2019 Site Air content - pressure gauge method BS EN 12350-7: 2019 Site Slump Flow and T500 BS EN 12350-8: 2019 Site V-Funnel BS EN 12350-9: 2010 Site L box BS EN 12350-10: 2010 Site Sieve Segregation BS EN 12350-11: 2010 Site J Ring BS EN 12350-12: 2010 Site Making concrete cubes BS EN 12390-2: 2019 Site Curing concrete cubes BS EN 12390-2: 2019 Site Making concrete cylinders BS EN 12390-2: 2019 Site Making concrete Prism BS EN 12390-2: 2019 Site Method for Making Test Beams from Fresh Concrete BS EN 12390-2: 2019 BS EN 14651:2005; BS 594987; BS 598-1; BS 1881-103; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 72 (UKAS 4161)

BS EN 12697-28: 2020; BS EN 12697-1: 2020; BS EN 12697-1: 2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5: 2018; BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab Determination of the dimensions of a bituminous sample BS EN 12697-29: 2002 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32: 2019 Lab CONCRETE - fresh Sampling - composite sample - spot sample BS EN 12350-1: 2019 Lab Sampling of fresh concrete BS EN 14488-1: 2005 Lab Slump BS EN 12350-2: 2019 Lab Air content - pressure gauge method BS EN 12350-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12350-8Name not checked yet
As written on the certificate · Line 67 (UKAS 4161)

BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Determination of Flow BS EN 12350-5: 2019 Site Density BS EN 12350-6: 2019 Site Air content - pressure gauge method BS EN 12350-7: 2019 Site Slump Flow and T500 BS EN 12350-8: 2019 Site V-Funnel BS EN 12350-9: 2010 Site L box BS EN 12350-10: 2010 Site Sieve Segregation BS EN 12350-11: 2010 Site J Ring BS EN 12350-12: 2010 Site Making concrete cubes BS EN 12390-2: 2019 Site Curing concrete cubes BS EN 12390-2: 2019 Site Making concrete cylinders BS EN 12390-2: 2019 Site Making concrete Prism BS EN 12390-2: 2019 Site Method for Making Test Beams from Fresh Concrete BS EN 12390-2: 2019 BS EN 14651:2005; BS 594987; BS 598-1; BS 1881-103; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12350-9Name not checked yet
As written on the certificate · Line 67 (UKAS 4161)

BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Determination of Flow BS EN 12350-5: 2019 Site Density BS EN 12350-6: 2019 Site Air content - pressure gauge method BS EN 12350-7: 2019 Site Slump Flow and T500 BS EN 12350-8: 2019 Site V-Funnel BS EN 12350-9: 2010 Site L box BS EN 12350-10: 2010 Site Sieve Segregation BS EN 12350-11: 2010 Site J Ring BS EN 12350-12: 2010 Site Making concrete cubes BS EN 12390-2: 2019 Site Curing concrete cubes BS EN 12390-2: 2019 Site Making concrete cylinders BS EN 12390-2: 2019 Site Making concrete Prism BS EN 12390-2: 2019 Site Method for Making Test Beams from Fresh Concrete BS EN 12390-2: 2019 BS EN 14651:2005; BS 594987; BS 598-1; BS 1881-103; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12350-10Name not checked yet
As written on the certificate · Line 67 (UKAS 4161)

BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Determination of Flow BS EN 12350-5: 2019 Site Density BS EN 12350-6: 2019 Site Air content - pressure gauge method BS EN 12350-7: 2019 Site Slump Flow and T500 BS EN 12350-8: 2019 Site V-Funnel BS EN 12350-9: 2010 Site L box BS EN 12350-10: 2010 Site Sieve Segregation BS EN 12350-11: 2010 Site J Ring BS EN 12350-12: 2010 Site Making concrete cubes BS EN 12390-2: 2019 Site Curing concrete cubes BS EN 12390-2: 2019 Site Making concrete cylinders BS EN 12390-2: 2019 Site Making concrete Prism BS EN 12390-2: 2019 Site Method for Making Test Beams from Fresh Concrete BS EN 12390-2: 2019 BS EN 14651:2005; BS 594987; BS 598-1; BS 1881-103; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12350-11Name not checked yet
As written on the certificate · Line 67 (UKAS 4161)

BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Determination of Flow BS EN 12350-5: 2019 Site Density BS EN 12350-6: 2019 Site Air content - pressure gauge method BS EN 12350-7: 2019 Site Slump Flow and T500 BS EN 12350-8: 2019 Site V-Funnel BS EN 12350-9: 2010 Site L box BS EN 12350-10: 2010 Site Sieve Segregation BS EN 12350-11: 2010 Site J Ring BS EN 12350-12: 2010 Site Making concrete cubes BS EN 12390-2: 2019 Site Curing concrete cubes BS EN 12390-2: 2019 Site Making concrete cylinders BS EN 12390-2: 2019 Site Making concrete Prism BS EN 12390-2: 2019 Site Method for Making Test Beams from Fresh Concrete BS EN 12390-2: 2019 BS EN 14651:2005; BS 594987; BS 598-1; BS 1881-103; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12350-12Name not checked yet
As written on the certificate · Line 67 (UKAS 4161)

BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Determination of Flow BS EN 12350-5: 2019 Site Density BS EN 12350-6: 2019 Site Air content - pressure gauge method BS EN 12350-7: 2019 Site Slump Flow and T500 BS EN 12350-8: 2019 Site V-Funnel BS EN 12350-9: 2010 Site L box BS EN 12350-10: 2010 Site Sieve Segregation BS EN 12350-11: 2010 Site J Ring BS EN 12350-12: 2010 Site Making concrete cubes BS EN 12390-2: 2019 Site Curing concrete cubes BS EN 12390-2: 2019 Site Making concrete cylinders BS EN 12390-2: 2019 Site Making concrete Prism BS EN 12390-2: 2019 Site Method for Making Test Beams from Fresh Concrete BS EN 12390-2: 2019 BS EN 14651:2005; BS 594987; BS 598-1; BS 1881-103; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 12390 series

EN 12390-1Testing hardened concrete - Part 1: Shape, dimensions and other requirements for specimens and moulds
As written on the certificate · Line 7 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12697-5: 2018 Lab Bulk density - sealed specimen BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab CONCRETE -Fresh Making concrete cubes BS EN 12390-2: 2019 Lab CONCRETE - hardened Compressive strength of cubes BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Cored specimens - testing in compression BS EN 12504-1: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 37 (UKAS 4161)

BS EN 12697-32: 2019 Lab Determination of the thickness of a bituminous pavement BS EN 12697-36: 2022 Lab Core Logging Documented In-House Method B14 issue 2; BS EN 12350-6: 2019 Lab Air Content -Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2:2019; BS EN 14651:2005; BS EN 14488-7: 2006; BS EN 12390-3 :2019 Lab Curing BS EN 12390-2 :2019 Lab Dimensions BS EN 12390-1: 2021 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Fibre Content BS EN 14488-7: 2006 Lab PAVED SURFACES Skid resistance value BS EN 16165: 2021

As written on the certificate · Line 44 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Compressive strength of resin concrete cubes - including Curing and Density BS 6319-2: 1983 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Fibre Content BS EN 14488-7: 2006; BS EN 14651: 2005; BS EN 13286-4: 2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014

As written on the certificate · Line 46 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999; BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2: 2020 Lab Particle density and water absorption - pyknometer method for aggregate particles between 0; BS EN 1097-6:2022 Lab Particle density and water absorption BS EN 1097-6:2022 Lab - pyknometer method for aggregate particles between 4 mm and 31; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 49 (UKAS 4161)

BS EN ISO 17892-1:2014; BS EN ISO 17892-12 2018 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 BS EN ISO 17892-12 2018; BS EN ISO 17892-12 2018 Lab Plastic limit BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-12 2018 Lab Plasticity index BS1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-12 2018 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990; BS 1377-2

As written on the certificate · Line 52 (UKAS 4161)

BS EN ISO 17892- 1:2014; BS EN 12697-8:2018; BS EN 12697-9:2002; BS EN 12697-9:2002 Lab Dimensions of a specimen BS EN 12697-29:2020 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32:2019 Lab Thickness of a bituminous Pavement BS EN 12697-36:2003 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab Cored specimens - examining and testing in compression BS EN 12504-1:2019 Lab Depth of carbonation BS EN 14630:2006; BS 1377-2

As written on the certificate · Line 55 (UKAS 4161)

BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 56 (UKAS 4161)

BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 57 (UKAS 4161)

BS EN 1097-5: 2008; BS EN 12390-2: 2019 Lab Dimensions of Concrete Specimens BS EN 12390-1: 2021 Lab Compressive Strength of Concrete Cubes BS EN 12390-3: 2019 Lab Density of Concrete Cubes BS EN 12390-7: 2019 Lab Tensile Splitting Strength BS EN 12390-6: 2009; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 62 (UKAS 4161)

BS EN 1097-5:2008 Lab CONCRETE- Hardened Curing of Concrete Specimens BS EN 12390-2: 2019 Lab Dimensions of Concrete Specimens BS EN 12390-1: 2021 Lab Compressive Strength of Concrete Cubes BS EN 12390-3: 2019 Lab Density of Concrete Cubes BS EN 12390-7: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 65 (UKAS 4161)

BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Temp Dimensions of Concrete Specimens BS EN 12390-1: 2021 Temp Compressive Strength of Concrete Cubes BS EN 12390-3: 2019; BS EN 12390-7:2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 17892-12:2014

As written on the certificate · Line 73 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014 Lab Liquid limit - cone penetrometer - one point BS 1377-2: 1990 BS 1377-2: 2022 BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Lab Manufacture and initial curing of beams/prisms BSEN 12390-2: 2019 BS EN 14651: 2007; BS EN 12390-2: 2019 Lab Slump BS EN 12350-2: 2019 Lab CONCRETE - hardened Dimensions BS EN 12390-1: 2021 Lab Curing BS EN 12390-2: 2019 Lab Compressive strength of cubes BS EN 12390-3: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Density BS EN 12390-7: 2019 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Fibre content of fibre reinforced concrete BS EN 14488-7: 2006 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2

EN 12390-2Testing hardened concrete - Part 2: Making and curing specimens for strength tests
As written on the certificate · Line 7 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12697-5: 2018 Lab Bulk density - sealed specimen BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab CONCRETE -Fresh Making concrete cubes BS EN 12390-2: 2019 Lab CONCRETE - hardened Compressive strength of cubes BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Cored specimens - testing in compression BS EN 12504-1: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 33 (UKAS 4161)

BSEN ISO 17892-1:2014; BS EN ISO 17892-2:2014; BS EN ISO 17892-4: 2014 Lab Uniformity Coefficient BS EN ISO 14688-2: 2018 Lab Particle Density BS 1377-2: 2022; BS EN 1097-5:2008 Lab Particle Size Distribution BS EN 933-1: 2012; BS EN 12390-2: 2019

As written on the certificate · Line 37 (UKAS 4161)

BS EN 12697-32: 2019 Lab Determination of the thickness of a bituminous pavement BS EN 12697-36: 2022 Lab Core Logging Documented In-House Method B14 issue 2; BS EN 12350-6: 2019 Lab Air Content -Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2:2019; BS EN 14651:2005; BS EN 14488-7: 2006; BS EN 12390-3 :2019 Lab Curing BS EN 12390-2 :2019 Lab Dimensions BS EN 12390-1: 2021 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Fibre Content BS EN 14488-7: 2006 Lab PAVED SURFACES Skid resistance value BS EN 16165: 2021

As written on the certificate · Line 43 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012; BS EN 933-11: 2009 Lab Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Uniformity coefficient B BS EN ISO 14688-2: 2018; BS EN 12350-4: 2019 Lab Density BS EN 12350-6: 2019 Lab Air Content - Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2: 2019; BS EN 14651: 2005

As written on the certificate · Line 44 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Compressive strength of resin concrete cubes - including Curing and Density BS 6319-2: 1983 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Fibre Content BS EN 14488-7: 2006; BS EN 14651: 2005; BS EN 13286-4: 2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014

As written on the certificate · Line 46 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999; BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2: 2020 Lab Particle density and water absorption - pyknometer method for aggregate particles between 0; BS EN 1097-6:2022 Lab Particle density and water absorption BS EN 1097-6:2022 Lab - pyknometer method for aggregate particles between 4 mm and 31; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 49 (UKAS 4161)

BS EN ISO 17892-1:2014; BS EN ISO 17892-12 2018 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 BS EN ISO 17892-12 2018; BS EN ISO 17892-12 2018 Lab Plastic limit BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-12 2018 Lab Plasticity index BS1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-12 2018 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990; BS 1377-2

As written on the certificate · Line 52 (UKAS 4161)

BS EN ISO 17892- 1:2014; BS EN 12697-8:2018; BS EN 12697-9:2002; BS EN 12697-9:2002 Lab Dimensions of a specimen BS EN 12697-29:2020 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32:2019 Lab Thickness of a bituminous Pavement BS EN 12697-36:2003 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab Cored specimens - examining and testing in compression BS EN 12504-1:2019 Lab Depth of carbonation BS EN 14630:2006; BS 1377-2

As written on the certificate · Line 55 (UKAS 4161)

BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 56 (UKAS 4161)

BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 57 (UKAS 4161)

BS EN 1097-5: 2008; BS EN 12390-2: 2019 Lab Dimensions of Concrete Specimens BS EN 12390-1: 2021 Lab Compressive Strength of Concrete Cubes BS EN 12390-3: 2019 Lab Density of Concrete Cubes BS EN 12390-7: 2019 Lab Tensile Splitting Strength BS EN 12390-6: 2009; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 58 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 60 (UKAS 4161)

BS EN 932-1: 1997; BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Density BS EN 12350-6: 2019 Site Making concrete cubes BS EN 12390-2: 2019 Site SOILS for civil engineering purposes Sampling site - excavated material - from heaps Documented In-House Method STP S0/Method 2 Issue 4 Site MCV - natural moisture content BS 1377-4: 1990; BS 1377-4; BS 1377-9; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 62 (UKAS 4161)

BS EN 1097-5:2008 Lab CONCRETE- Hardened Curing of Concrete Specimens BS EN 12390-2: 2019 Lab Dimensions of Concrete Specimens BS EN 12390-1: 2021 Lab Compressive Strength of Concrete Cubes BS EN 12390-3: 2019 Lab Density of Concrete Cubes BS EN 12390-7: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 65 (UKAS 4161)

BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Temp Dimensions of Concrete Specimens BS EN 12390-1: 2021 Temp Compressive Strength of Concrete Cubes BS EN 12390-3: 2019; BS EN 12390-7:2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 17892-12:2014

As written on the certificate · Line 67 (UKAS 4161)

BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Determination of Flow BS EN 12350-5: 2019 Site Density BS EN 12350-6: 2019 Site Air content - pressure gauge method BS EN 12350-7: 2019 Site Slump Flow and T500 BS EN 12350-8: 2019 Site V-Funnel BS EN 12350-9: 2010 Site L box BS EN 12350-10: 2010 Site Sieve Segregation BS EN 12350-11: 2010 Site J Ring BS EN 12350-12: 2010 Site Making concrete cubes BS EN 12390-2: 2019 Site Curing concrete cubes BS EN 12390-2: 2019 Site Making concrete cylinders BS EN 12390-2: 2019 Site Making concrete Prism BS EN 12390-2: 2019 Site Method for Making Test Beams from Fresh Concrete BS EN 12390-2: 2019 BS EN 14651:2005; BS 594987; BS 598-1; BS 1881-103; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 73 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014 Lab Liquid limit - cone penetrometer - one point BS 1377-2: 1990 BS 1377-2: 2022 BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Lab Manufacture and initial curing of beams/prisms BSEN 12390-2: 2019 BS EN 14651: 2007; BS EN 12390-2: 2019 Lab Slump BS EN 12350-2: 2019 Lab CONCRETE - hardened Dimensions BS EN 12390-1: 2021 Lab Curing BS EN 12390-2: 2019 Lab Compressive strength of cubes BS EN 12390-3: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Density BS EN 12390-7: 2019 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Fibre content of fibre reinforced concrete BS EN 14488-7: 2006 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2

EN 12390-3Testing hardened concrete - Part 3: Compressive strength of test specimens
As written on the certificate · Line 7 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12697-5: 2018 Lab Bulk density - sealed specimen BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab CONCRETE -Fresh Making concrete cubes BS EN 12390-2: 2019 Lab CONCRETE - hardened Compressive strength of cubes BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Cored specimens - testing in compression BS EN 12504-1: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 37 (UKAS 4161)

BS EN 12697-32: 2019 Lab Determination of the thickness of a bituminous pavement BS EN 12697-36: 2022 Lab Core Logging Documented In-House Method B14 issue 2; BS EN 12350-6: 2019 Lab Air Content -Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2:2019; BS EN 14651:2005; BS EN 14488-7: 2006; BS EN 12390-3 :2019 Lab Curing BS EN 12390-2 :2019 Lab Dimensions BS EN 12390-1: 2021 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Fibre Content BS EN 14488-7: 2006 Lab PAVED SURFACES Skid resistance value BS EN 16165: 2021

As written on the certificate · Line 44 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Compressive strength of resin concrete cubes - including Curing and Density BS 6319-2: 1983 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Fibre Content BS EN 14488-7: 2006; BS EN 14651: 2005; BS EN 13286-4: 2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014

As written on the certificate · Line 46 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999; BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2: 2020 Lab Particle density and water absorption - pyknometer method for aggregate particles between 0; BS EN 1097-6:2022 Lab Particle density and water absorption BS EN 1097-6:2022 Lab - pyknometer method for aggregate particles between 4 mm and 31; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 49 (UKAS 4161)

BS EN ISO 17892-1:2014; BS EN ISO 17892-12 2018 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 BS EN ISO 17892-12 2018; BS EN ISO 17892-12 2018 Lab Plastic limit BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-12 2018 Lab Plasticity index BS1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-12 2018 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990; BS 1377-2

As written on the certificate · Line 52 (UKAS 4161)

BS EN ISO 17892- 1:2014; BS EN 12697-8:2018; BS EN 12697-9:2002; BS EN 12697-9:2002 Lab Dimensions of a specimen BS EN 12697-29:2020 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32:2019 Lab Thickness of a bituminous Pavement BS EN 12697-36:2003 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab Cored specimens - examining and testing in compression BS EN 12504-1:2019 Lab Depth of carbonation BS EN 14630:2006; BS 1377-2

As written on the certificate · Line 55 (UKAS 4161)

BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 56 (UKAS 4161)

BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 57 (UKAS 4161)

BS EN 1097-5: 2008; BS EN 12390-2: 2019 Lab Dimensions of Concrete Specimens BS EN 12390-1: 2021 Lab Compressive Strength of Concrete Cubes BS EN 12390-3: 2019 Lab Density of Concrete Cubes BS EN 12390-7: 2019 Lab Tensile Splitting Strength BS EN 12390-6: 2009; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 62 (UKAS 4161)

BS EN 1097-5:2008 Lab CONCRETE- Hardened Curing of Concrete Specimens BS EN 12390-2: 2019 Lab Dimensions of Concrete Specimens BS EN 12390-1: 2021 Lab Compressive Strength of Concrete Cubes BS EN 12390-3: 2019 Lab Density of Concrete Cubes BS EN 12390-7: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 65 (UKAS 4161)

BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Temp Dimensions of Concrete Specimens BS EN 12390-1: 2021 Temp Compressive Strength of Concrete Cubes BS EN 12390-3: 2019; BS EN 12390-7:2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 17892-12:2014

As written on the certificate · Line 73 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014 Lab Liquid limit - cone penetrometer - one point BS 1377-2: 1990 BS 1377-2: 2022 BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Lab Manufacture and initial curing of beams/prisms BSEN 12390-2: 2019 BS EN 14651: 2007; BS EN 12390-2: 2019 Lab Slump BS EN 12350-2: 2019 Lab CONCRETE - hardened Dimensions BS EN 12390-1: 2021 Lab Curing BS EN 12390-2: 2019 Lab Compressive strength of cubes BS EN 12390-3: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Density BS EN 12390-7: 2019 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Fibre content of fibre reinforced concrete BS EN 14488-7: 2006 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2

EN 12390-5Name not checked yet
As written on the certificate · Line 37 (UKAS 4161)

BS EN 12697-32: 2019 Lab Determination of the thickness of a bituminous pavement BS EN 12697-36: 2022 Lab Core Logging Documented In-House Method B14 issue 2; BS EN 12350-6: 2019 Lab Air Content -Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2:2019; BS EN 14651:2005; BS EN 14488-7: 2006; BS EN 12390-3 :2019 Lab Curing BS EN 12390-2 :2019 Lab Dimensions BS EN 12390-1: 2021 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Fibre Content BS EN 14488-7: 2006 Lab PAVED SURFACES Skid resistance value BS EN 16165: 2021

As written on the certificate · Line 44 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Compressive strength of resin concrete cubes - including Curing and Density BS 6319-2: 1983 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Fibre Content BS EN 14488-7: 2006; BS EN 14651: 2005; BS EN 13286-4: 2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014

EN 12390-6Name not checked yet
As written on the certificate · Line 37 (UKAS 4161)

BS EN 12697-32: 2019 Lab Determination of the thickness of a bituminous pavement BS EN 12697-36: 2022 Lab Core Logging Documented In-House Method B14 issue 2; BS EN 12350-6: 2019 Lab Air Content -Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2:2019; BS EN 14651:2005; BS EN 14488-7: 2006; BS EN 12390-3 :2019 Lab Curing BS EN 12390-2 :2019 Lab Dimensions BS EN 12390-1: 2021 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Fibre Content BS EN 14488-7: 2006 Lab PAVED SURFACES Skid resistance value BS EN 16165: 2021

As written on the certificate · Line 56 (UKAS 4161)

BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 57 (UKAS 4161)

BS EN 1097-5: 2008; BS EN 12390-2: 2019 Lab Dimensions of Concrete Specimens BS EN 12390-1: 2021 Lab Compressive Strength of Concrete Cubes BS EN 12390-3: 2019 Lab Density of Concrete Cubes BS EN 12390-7: 2019 Lab Tensile Splitting Strength BS EN 12390-6: 2009; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 73 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014 Lab Liquid limit - cone penetrometer - one point BS 1377-2: 1990 BS 1377-2: 2022 BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Lab Manufacture and initial curing of beams/prisms BSEN 12390-2: 2019 BS EN 14651: 2007; BS EN 12390-2: 2019 Lab Slump BS EN 12350-2: 2019 Lab CONCRETE - hardened Dimensions BS EN 12390-1: 2021 Lab Curing BS EN 12390-2: 2019 Lab Compressive strength of cubes BS EN 12390-3: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Density BS EN 12390-7: 2019 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Fibre content of fibre reinforced concrete BS EN 14488-7: 2006 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2

EN 12390-7Testing hardened concrete - Part 7: Density of hardened concrete
As written on the certificate · Line 7 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12697-5: 2018 Lab Bulk density - sealed specimen BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab CONCRETE -Fresh Making concrete cubes BS EN 12390-2: 2019 Lab CONCRETE - hardened Compressive strength of cubes BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Cored specimens - testing in compression BS EN 12504-1: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 37 (UKAS 4161)

BS EN 12697-32: 2019 Lab Determination of the thickness of a bituminous pavement BS EN 12697-36: 2022 Lab Core Logging Documented In-House Method B14 issue 2; BS EN 12350-6: 2019 Lab Air Content -Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2:2019; BS EN 14651:2005; BS EN 14488-7: 2006; BS EN 12390-3 :2019 Lab Curing BS EN 12390-2 :2019 Lab Dimensions BS EN 12390-1: 2021 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Fibre Content BS EN 14488-7: 2006 Lab PAVED SURFACES Skid resistance value BS EN 16165: 2021

As written on the certificate · Line 44 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Compressive strength of resin concrete cubes - including Curing and Density BS 6319-2: 1983 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Fibre Content BS EN 14488-7: 2006; BS EN 14651: 2005; BS EN 13286-4: 2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014

As written on the certificate · Line 46 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999; BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2: 2020 Lab Particle density and water absorption - pyknometer method for aggregate particles between 0; BS EN 1097-6:2022 Lab Particle density and water absorption BS EN 1097-6:2022 Lab - pyknometer method for aggregate particles between 4 mm and 31; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 49 (UKAS 4161)

BS EN ISO 17892-1:2014; BS EN ISO 17892-12 2018 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 BS EN ISO 17892-12 2018; BS EN ISO 17892-12 2018 Lab Plastic limit BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-12 2018 Lab Plasticity index BS1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-12 2018 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990; BS 1377-2

As written on the certificate · Line 52 (UKAS 4161)

BS EN ISO 17892- 1:2014; BS EN 12697-8:2018; BS EN 12697-9:2002; BS EN 12697-9:2002 Lab Dimensions of a specimen BS EN 12697-29:2020 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32:2019 Lab Thickness of a bituminous Pavement BS EN 12697-36:2003 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab Cored specimens - examining and testing in compression BS EN 12504-1:2019 Lab Depth of carbonation BS EN 14630:2006; BS 1377-2

As written on the certificate · Line 55 (UKAS 4161)

BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 56 (UKAS 4161)

BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 57 (UKAS 4161)

BS EN 1097-5: 2008; BS EN 12390-2: 2019 Lab Dimensions of Concrete Specimens BS EN 12390-1: 2021 Lab Compressive Strength of Concrete Cubes BS EN 12390-3: 2019 Lab Density of Concrete Cubes BS EN 12390-7: 2019 Lab Tensile Splitting Strength BS EN 12390-6: 2009; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 62 (UKAS 4161)

BS EN 1097-5:2008 Lab CONCRETE- Hardened Curing of Concrete Specimens BS EN 12390-2: 2019 Lab Dimensions of Concrete Specimens BS EN 12390-1: 2021 Lab Compressive Strength of Concrete Cubes BS EN 12390-3: 2019 Lab Density of Concrete Cubes BS EN 12390-7: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 65 (UKAS 4161)

BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Temp Dimensions of Concrete Specimens BS EN 12390-1: 2021 Temp Compressive Strength of Concrete Cubes BS EN 12390-3: 2019; BS EN 12390-7:2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 17892-12:2014

As written on the certificate · Line 73 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014 Lab Liquid limit - cone penetrometer - one point BS 1377-2: 1990 BS 1377-2: 2022 BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Lab Manufacture and initial curing of beams/prisms BSEN 12390-2: 2019 BS EN 14651: 2007; BS EN 12390-2: 2019 Lab Slump BS EN 12350-2: 2019 Lab CONCRETE - hardened Dimensions BS EN 12390-1: 2021 Lab Curing BS EN 12390-2: 2019 Lab Compressive strength of cubes BS EN 12390-3: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Density BS EN 12390-7: 2019 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Fibre content of fibre reinforced concrete BS EN 14488-7: 2006 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2

EN 1097 series

EN 1097-1Tests for mechanical and physical properties of aggregates - Part 1: Determination of the resistance to wear (micro-Deval)
As written on the certificate · Line 35 (UKAS 4161)

BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Percentage of crushed and broken surfaces in coarse aggregate particles BS EN 933-5: 1998; BS EN 933-11 :2009 Lab Micro-Deval coefficient BS EN 1097-1 :2011 Lab Micro-Deval coefficient of aggregates for railway ballast - modified method BS EN 1097-1: 2011 Annex A Lab Resistance to fragmentation of coarse aggregate - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2:2020 Annex A Lab Loose bulk density and voids BS EN 1097-3: 1998; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 51 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Micro-Deval coefficient BS EN 1097-1:2011 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2: 2020 Annex A Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2:2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018; BS EN 12697-6:2020; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 1097-2Tests for mechanical and physical properties of aggregates - Part 2: Methods for the determination of resistance to fragmentation
As written on the certificate · Line 6 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022; BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3:2 012 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of rail ballast - Los Angeles method BS EN 1097-2: 2020; BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022

As written on the certificate · Line 35 (UKAS 4161)

BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Percentage of crushed and broken surfaces in coarse aggregate particles BS EN 933-5: 1998; BS EN 933-11 :2009 Lab Micro-Deval coefficient BS EN 1097-1 :2011 Lab Micro-Deval coefficient of aggregates for railway ballast - modified method BS EN 1097-1: 2011 Annex A Lab Resistance to fragmentation of coarse aggregate - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2:2020 Annex A Lab Loose bulk density and voids BS EN 1097-3: 1998; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 46 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999; BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2: 2020 Lab Particle density and water absorption - pyknometer method for aggregate particles between 0; BS EN 1097-6:2022 Lab Particle density and water absorption BS EN 1097-6:2022 Lab - pyknometer method for aggregate particles between 4 mm and 31; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 48 (UKAS 4161)

BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Water content BS EN 1097-5:2008; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018 Lab Bulk density - sealed specimen BS EN 12697-6:2020 Lab Air voids content BS EN 12697-8:2018; BS EN 12697-28:2020; BS EN 12697-36:2022; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 51 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Micro-Deval coefficient BS EN 1097-1:2011 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2: 2020 Annex A Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2:2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018; BS EN 12697-6:2020; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 71 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-1: 1997 Lab Methods of reducing laboratory samples - using a riffle box - reduction by quartering - to a test portion of a specified mass within a small tolerance BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Water content BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 1097-3Name not checked yet
As written on the certificate · Line 35 (UKAS 4161)

BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Percentage of crushed and broken surfaces in coarse aggregate particles BS EN 933-5: 1998; BS EN 933-11 :2009 Lab Micro-Deval coefficient BS EN 1097-1 :2011 Lab Micro-Deval coefficient of aggregates for railway ballast - modified method BS EN 1097-1: 2011 Annex A Lab Resistance to fragmentation of coarse aggregate - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2:2020 Annex A Lab Loose bulk density and voids BS EN 1097-3: 1998; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

EN 1097-5Tests for mechanical and physical properties of aggregates - Part 5: Determination of the water content by drying in a ventilated oven
As written on the certificate · Line 6 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022; BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3:2 012 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of rail ballast - Los Angeles method BS EN 1097-2: 2020; BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022

As written on the certificate · Line 33 (UKAS 4161)

BSEN ISO 17892-1:2014; BS EN ISO 17892-2:2014; BS EN ISO 17892-4: 2014 Lab Uniformity Coefficient BS EN ISO 14688-2: 2018 Lab Particle Density BS 1377-2: 2022; BS EN 1097-5:2008 Lab Particle Size Distribution BS EN 933-1: 2012; BS EN 12390-2: 2019

As written on the certificate · Line 36 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 1097-5: 2008; BS EN 1097-6: 2022; BS EN 1097-6: 2022 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; BS EN 12697-1: 2020

As written on the certificate · Line 41 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN 933-1: 2012 Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 43 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012; BS EN 933-11: 2009 Lab Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Uniformity coefficient B BS EN ISO 14688-2: 2018; BS EN 12350-4: 2019 Lab Density BS EN 12350-6: 2019 Lab Air Content - Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2: 2019; BS EN 14651: 2005

As written on the certificate · Line 46 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999; BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2: 2020 Lab Particle density and water absorption - pyknometer method for aggregate particles between 0; BS EN 1097-6:2022 Lab Particle density and water absorption BS EN 1097-6:2022 Lab - pyknometer method for aggregate particles between 4 mm and 31; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 48 (UKAS 4161)

BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Water content BS EN 1097-5:2008; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018 Lab Bulk density - sealed specimen BS EN 12697-6:2020 Lab Air voids content BS EN 12697-8:2018; BS EN 12697-28:2020; BS EN 12697-36:2022; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 51 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Micro-Deval coefficient BS EN 1097-1:2011 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2: 2020 Annex A Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2:2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018; BS EN 12697-6:2020; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 57 (UKAS 4161)

BS EN 1097-5: 2008; BS EN 12390-2: 2019 Lab Dimensions of Concrete Specimens BS EN 12390-1: 2021 Lab Compressive Strength of Concrete Cubes BS EN 12390-3: 2019 Lab Density of Concrete Cubes BS EN 12390-7: 2019 Lab Tensile Splitting Strength BS EN 12390-6: 2009; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 58 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 59 (UKAS 4161)

BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 13286-4:2021; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 62 (UKAS 4161)

BS EN 1097-5:2008 Lab CONCRETE- Hardened Curing of Concrete Specimens BS EN 12390-2: 2019 Lab Dimensions of Concrete Specimens BS EN 12390-1: 2021 Lab Compressive Strength of Concrete Cubes BS EN 12390-3: 2019 Lab Density of Concrete Cubes BS EN 12390-7: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 64 (UKAS 4161)

BS EN ISO 17892-1: 2014; BS EN ISO 17892-4:2014 Temp Uniformity Coefficient BS EN ISO 14688-2:2018 Temp Liquid limit Fall cone 4 Point method BSEN ISO 17892-12:2014; BSEN ISO 17892-12:2014; BS EN 933-1:2012 Temp Water content BS EN 1097-5:2008 Temp Sampling from stockpiles BS EN 932-1:1997 Site DIHM STP S0/Method 2 Issue 4 SOILS for civil engineering purposes Water Content BS EN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 71 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-1: 1997 Lab Methods of reducing laboratory samples - using a riffle box - reduction by quartering - to a test portion of a specified mass within a small tolerance BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Water content BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 1097-6Tests for mechanical and physical properties of aggregates - Part 6: Determination of particle density and water absorption
As written on the certificate · Line 6 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022; BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3:2 012 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of rail ballast - Los Angeles method BS EN 1097-2: 2020; BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022

As written on the certificate · Line 36 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 1097-5: 2008; BS EN 1097-6: 2022; BS EN 1097-6: 2022 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; BS EN 12697-1: 2020

As written on the certificate · Line 46 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999; BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2: 2020 Lab Particle density and water absorption - pyknometer method for aggregate particles between 0; BS EN 1097-6:2022 Lab Particle density and water absorption BS EN 1097-6:2022 Lab - pyknometer method for aggregate particles between 4 mm and 31; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 71 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-1: 1997 Lab Methods of reducing laboratory samples - using a riffle box - reduction by quartering - to a test portion of a specified mass within a small tolerance BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Water content BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 13286 series

EN 13286-4Name not checked yet
As written on the certificate · Line 9 (UKAS 4161)

BS EN 13286-4: 2021 Lab Compressive strength of hydraulically bound mixtures BS EN 13286-41: 2021; BS EN 13286-46: 2003; BS EN 13286-47: 2021 Manufacture of test specimens of hydraulically bound mixtures using vibrating hammer compaction BS EN 13286-51: 2004; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 40 (UKAS 4161)

BS EN 17892-10: 2018 BS1377-7:1990 Lab Effective angle of internal friction and effective cohesion Specification for Highway Works Volume 1 Clause 636 February 2016 Lab UNBOUND and HYDRALICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4: 2021 Lab Compressive strength of hydraulically bound mixtures BS EN 13286-41: 2021 Lab Moisture condition value BS EN 13286-46: 2003 Lab Manufacture of test specimens of hydraulically bound mixtures using vibrating hammer compaction BS EN 13286-51: 2004; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 41 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN 933-1: 2012 Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 44 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Compressive strength of resin concrete cubes - including Curing and Density BS 6319-2: 1983 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Fibre Content BS EN 14488-7: 2006; BS EN 14651: 2005; BS EN 13286-4: 2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014

As written on the certificate · Line 47 (UKAS 4161)

BS EN ISO 17892-1: 2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014 Lab Particle Density - gas jar method BS 1377-2:2022; BS EN 13286-4:2021; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 54 (UKAS 4161)

BS EN 13286-4:2021; BS 1377-4; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 59 (UKAS 4161)

BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 13286-4:2021; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 75 (UKAS 4161)

BS EN ISO 17892-8 2018 Lab UNBOUND and HYDRALICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4: 2021; BS EN 13286-46: 2003; BS EN 13286-47: 2021; BS 1377-4; BS 1377-2

EN 13286-41Name not checked yet
As written on the certificate · Line 9 (UKAS 4161)

BS EN 13286-4: 2021 Lab Compressive strength of hydraulically bound mixtures BS EN 13286-41: 2021; BS EN 13286-46: 2003; BS EN 13286-47: 2021 Manufacture of test specimens of hydraulically bound mixtures using vibrating hammer compaction BS EN 13286-51: 2004; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 40 (UKAS 4161)

BS EN 17892-10: 2018 BS1377-7:1990 Lab Effective angle of internal friction and effective cohesion Specification for Highway Works Volume 1 Clause 636 February 2016 Lab UNBOUND and HYDRALICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4: 2021 Lab Compressive strength of hydraulically bound mixtures BS EN 13286-41: 2021 Lab Moisture condition value BS EN 13286-46: 2003 Lab Manufacture of test specimens of hydraulically bound mixtures using vibrating hammer compaction BS EN 13286-51: 2004; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

EN 13286-46Name not checked yet
As written on the certificate · Line 9 (UKAS 4161)

BS EN 13286-4: 2021 Lab Compressive strength of hydraulically bound mixtures BS EN 13286-41: 2021; BS EN 13286-46: 2003; BS EN 13286-47: 2021 Manufacture of test specimens of hydraulically bound mixtures using vibrating hammer compaction BS EN 13286-51: 2004; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 40 (UKAS 4161)

BS EN 17892-10: 2018 BS1377-7:1990 Lab Effective angle of internal friction and effective cohesion Specification for Highway Works Volume 1 Clause 636 February 2016 Lab UNBOUND and HYDRALICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4: 2021 Lab Compressive strength of hydraulically bound mixtures BS EN 13286-41: 2021 Lab Moisture condition value BS EN 13286-46: 2003 Lab Manufacture of test specimens of hydraulically bound mixtures using vibrating hammer compaction BS EN 13286-51: 2004; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 70 (UKAS 4161)

BS EN 13286-46: 2003; BS 1377-9; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025; ASTM D7830

As written on the certificate · Line 75 (UKAS 4161)

BS EN ISO 17892-8 2018 Lab UNBOUND and HYDRALICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4: 2021; BS EN 13286-46: 2003; BS EN 13286-47: 2021; BS 1377-4; BS 1377-2

EN 13286-47Name not checked yet
As written on the certificate · Line 9 (UKAS 4161)

BS EN 13286-4: 2021 Lab Compressive strength of hydraulically bound mixtures BS EN 13286-41: 2021; BS EN 13286-46: 2003; BS EN 13286-47: 2021 Manufacture of test specimens of hydraulically bound mixtures using vibrating hammer compaction BS EN 13286-51: 2004; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 75 (UKAS 4161)

BS EN ISO 17892-8 2018 Lab UNBOUND and HYDRALICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4: 2021; BS EN 13286-46: 2003; BS EN 13286-47: 2021; BS 1377-4; BS 1377-2

EN 13286-51Name not checked yet
As written on the certificate · Line 9 (UKAS 4161)

BS EN 13286-4: 2021 Lab Compressive strength of hydraulically bound mixtures BS EN 13286-41: 2021; BS EN 13286-46: 2003; BS EN 13286-47: 2021 Manufacture of test specimens of hydraulically bound mixtures using vibrating hammer compaction BS EN 13286-51: 2004; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 40 (UKAS 4161)

BS EN 17892-10: 2018 BS1377-7:1990 Lab Effective angle of internal friction and effective cohesion Specification for Highway Works Volume 1 Clause 636 February 2016 Lab UNBOUND and HYDRALICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4: 2021 Lab Compressive strength of hydraulically bound mixtures BS EN 13286-41: 2021 Lab Moisture condition value BS EN 13286-46: 2003 Lab Manufacture of test specimens of hydraulically bound mixtures using vibrating hammer compaction BS EN 13286-51: 2004; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

EN 933 series

EN 933-1Tests for geometrical properties of aggregates - Part 1: Determination of particle size distribution - Sieving method
As written on the certificate · Line 6 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022; BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3:2 012 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of rail ballast - Los Angeles method BS EN 1097-2: 2020; BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022

As written on the certificate · Line 33 (UKAS 4161)

BSEN ISO 17892-1:2014; BS EN ISO 17892-2:2014; BS EN ISO 17892-4: 2014 Lab Uniformity Coefficient BS EN ISO 14688-2: 2018 Lab Particle Density BS 1377-2: 2022; BS EN 1097-5:2008 Lab Particle Size Distribution BS EN 933-1: 2012; BS EN 12390-2: 2019

As written on the certificate · Line 35 (UKAS 4161)

BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Percentage of crushed and broken surfaces in coarse aggregate particles BS EN 933-5: 1998; BS EN 933-11 :2009 Lab Micro-Deval coefficient BS EN 1097-1 :2011 Lab Micro-Deval coefficient of aggregates for railway ballast - modified method BS EN 1097-1: 2011 Annex A Lab Resistance to fragmentation of coarse aggregate - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2:2020 Annex A Lab Loose bulk density and voids BS EN 1097-3: 1998; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 41 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN 933-1: 2012 Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 43 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012; BS EN 933-11: 2009 Lab Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Uniformity coefficient B BS EN ISO 14688-2: 2018; BS EN 12350-4: 2019 Lab Density BS EN 12350-6: 2019 Lab Air Content - Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2: 2019; BS EN 14651: 2005

As written on the certificate · Line 46 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999; BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2: 2020 Lab Particle density and water absorption - pyknometer method for aggregate particles between 0; BS EN 1097-6:2022 Lab Particle density and water absorption BS EN 1097-6:2022 Lab - pyknometer method for aggregate particles between 4 mm and 31; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 48 (UKAS 4161)

BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Water content BS EN 1097-5:2008; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018 Lab Bulk density - sealed specimen BS EN 12697-6:2020 Lab Air voids content BS EN 12697-8:2018; BS EN 12697-28:2020; BS EN 12697-36:2022; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 51 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Micro-Deval coefficient BS EN 1097-1:2011 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2: 2020 Annex A Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2:2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018; BS EN 12697-6:2020; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 58 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 59 (UKAS 4161)

BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 13286-4:2021; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 64 (UKAS 4161)

BS EN ISO 17892-1: 2014; BS EN ISO 17892-4:2014 Temp Uniformity Coefficient BS EN ISO 14688-2:2018 Temp Liquid limit Fall cone 4 Point method BSEN ISO 17892-12:2014; BSEN ISO 17892-12:2014; BS EN 933-1:2012 Temp Water content BS EN 1097-5:2008 Temp Sampling from stockpiles BS EN 932-1:1997 Site DIHM STP S0/Method 2 Issue 4 SOILS for civil engineering purposes Water Content BS EN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 71 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-1: 1997 Lab Methods of reducing laboratory samples - using a riffle box - reduction by quartering - to a test portion of a specified mass within a small tolerance BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Water content BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 933-3Tests for geometrical properties of aggregates - Part 3: Determination of particle shape - Flakiness index
As written on the certificate · Line 6 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022; BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3:2 012 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of rail ballast - Los Angeles method BS EN 1097-2: 2020; BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022

As written on the certificate · Line 35 (UKAS 4161)

BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Percentage of crushed and broken surfaces in coarse aggregate particles BS EN 933-5: 1998; BS EN 933-11 :2009 Lab Micro-Deval coefficient BS EN 1097-1 :2011 Lab Micro-Deval coefficient of aggregates for railway ballast - modified method BS EN 1097-1: 2011 Annex A Lab Resistance to fragmentation of coarse aggregate - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2:2020 Annex A Lab Loose bulk density and voids BS EN 1097-3: 1998; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 48 (UKAS 4161)

BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Water content BS EN 1097-5:2008; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2: 2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018 Lab Bulk density - sealed specimen BS EN 12697-6:2020 Lab Air voids content BS EN 12697-8:2018; BS EN 12697-28:2020; BS EN 12697-36:2022; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 51 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Micro-Deval coefficient BS EN 1097-1:2011 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2: 2020 Annex A Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2:2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018; BS EN 12697-6:2020; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 71 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-1: 1997 Lab Methods of reducing laboratory samples - using a riffle box - reduction by quartering - to a test portion of a specified mass within a small tolerance BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Water content BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 933-4Tests for geometrical properties of aggregates - Part 4: Determination of particle shape - Shape index
As written on the certificate · Line 35 (UKAS 4161)

BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Percentage of crushed and broken surfaces in coarse aggregate particles BS EN 933-5: 1998; BS EN 933-11 :2009 Lab Micro-Deval coefficient BS EN 1097-1 :2011 Lab Micro-Deval coefficient of aggregates for railway ballast - modified method BS EN 1097-1: 2011 Annex A Lab Resistance to fragmentation of coarse aggregate - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2:2020 Annex A Lab Loose bulk density and voids BS EN 1097-3: 1998; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 71 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-1: 1997 Lab Methods of reducing laboratory samples - using a riffle box - reduction by quartering - to a test portion of a specified mass within a small tolerance BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Water content BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

EN 933-5Name not checked yet
As written on the certificate · Line 35 (UKAS 4161)

BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Percentage of crushed and broken surfaces in coarse aggregate particles BS EN 933-5: 1998; BS EN 933-11 :2009 Lab Micro-Deval coefficient BS EN 1097-1 :2011 Lab Micro-Deval coefficient of aggregates for railway ballast - modified method BS EN 1097-1: 2011 Annex A Lab Resistance to fragmentation of coarse aggregate - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2:2020 Annex A Lab Loose bulk density and voids BS EN 1097-3: 1998; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

EN 933-11Name not checked yet
As written on the certificate · Line 6 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022; BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3:2 012 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of rail ballast - Los Angeles method BS EN 1097-2: 2020; BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022

As written on the certificate · Line 35 (UKAS 4161)

BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Percentage of crushed and broken surfaces in coarse aggregate particles BS EN 933-5: 1998; BS EN 933-11 :2009 Lab Micro-Deval coefficient BS EN 1097-1 :2011 Lab Micro-Deval coefficient of aggregates for railway ballast - modified method BS EN 1097-1: 2011 Annex A Lab Resistance to fragmentation of coarse aggregate - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2:2020 Annex A Lab Loose bulk density and voids BS EN 1097-3: 1998; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 43 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012; BS EN 933-11: 2009 Lab Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Uniformity coefficient B BS EN ISO 14688-2: 2018; BS EN 12350-4: 2019 Lab Density BS EN 12350-6: 2019 Lab Air Content - Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2: 2019; BS EN 14651: 2005

As written on the certificate · Line 71 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-1: 1997 Lab Methods of reducing laboratory samples - using a riffle box - reduction by quartering - to a test portion of a specified mass within a small tolerance BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Water content BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

ISO 17892 series

ISO 17892-1Geotechnical investigation and testing - Laboratory testing of soil - Part 1: Determination of water content
As written on the certificate · Line 7 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12697-5: 2018 Lab Bulk density - sealed specimen BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab CONCRETE -Fresh Making concrete cubes BS EN 12390-2: 2019 Lab CONCRETE - hardened Compressive strength of cubes BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Cored specimens - testing in compression BS EN 12504-1: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 33 (UKAS 4161)

BSEN ISO 17892-1:2014; BS EN ISO 17892-2:2014; BS EN ISO 17892-4: 2014 Lab Uniformity Coefficient BS EN ISO 14688-2: 2018 Lab Particle Density BS 1377-2: 2022; BS EN 1097-5:2008 Lab Particle Size Distribution BS EN 933-1: 2012; BS EN 12390-2: 2019

As written on the certificate · Line 38 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014; BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2: 1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN 13036-4: 2011 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1:2014

As written on the certificate · Line 41 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN 933-1: 2012 Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 44 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Compressive strength of resin concrete cubes - including Curing and Density BS 6319-2: 1983 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Fibre Content BS EN 14488-7: 2006; BS EN 14651: 2005; BS EN 13286-4: 2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014

As written on the certificate · Line 47 (UKAS 4161)

BS EN ISO 17892-1: 2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014 Lab Particle Density - gas jar method BS 1377-2:2022; BS EN 13286-4:2021; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 49 (UKAS 4161)

BS EN ISO 17892-1:2014; BS EN ISO 17892-12 2018 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 BS EN ISO 17892-12 2018; BS EN ISO 17892-12 2018 Lab Plastic limit BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-12 2018 Lab Plasticity index BS1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-12 2018 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990; BS 1377-2

As written on the certificate · Line 52 (UKAS 4161)

BS EN ISO 17892- 1:2014; BS EN 12697-8:2018; BS EN 12697-9:2002; BS EN 12697-9:2002 Lab Dimensions of a specimen BS EN 12697-29:2020 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32:2019 Lab Thickness of a bituminous Pavement BS EN 12697-36:2003 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab Cored specimens - examining and testing in compression BS EN 12504-1:2019 Lab Depth of carbonation BS EN 14630:2006; BS 1377-2

As written on the certificate · Line 63 (UKAS 4161)

BS EN ISO 17892-1: 2014; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 17892-1: 2014; IEC 17025

As written on the certificate · Line 64 (UKAS 4161)

BS EN ISO 17892-1: 2014; BS EN ISO 17892-4:2014 Temp Uniformity Coefficient BS EN ISO 14688-2:2018 Temp Liquid limit Fall cone 4 Point method BSEN ISO 17892-12:2014; BSEN ISO 17892-12:2014; BS EN 933-1:2012 Temp Water content BS EN 1097-5:2008 Temp Sampling from stockpiles BS EN 932-1:1997 Site DIHM STP S0/Method 2 Issue 4 SOILS for civil engineering purposes Water Content BS EN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 73 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014 Lab Liquid limit - cone penetrometer - one point BS 1377-2: 1990 BS 1377-2: 2022 BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Lab Manufacture and initial curing of beams/prisms BSEN 12390-2: 2019 BS EN 14651: 2007; BS EN 12390-2: 2019 Lab Slump BS EN 12350-2: 2019 Lab CONCRETE - hardened Dimensions BS EN 12390-1: 2021 Lab Curing BS EN 12390-2: 2019 Lab Compressive strength of cubes BS EN 12390-3: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Density BS EN 12390-7: 2019 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Fibre content of fibre reinforced concrete BS EN 14488-7: 2006 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2

ISO 17892-2Geotechnical investigation and testing - Laboratory testing of soil - Part 2: Determination of bulk density
As written on the certificate · Line 33 (UKAS 4161)

BSEN ISO 17892-1:2014; BS EN ISO 17892-2:2014; BS EN ISO 17892-4: 2014 Lab Uniformity Coefficient BS EN ISO 14688-2: 2018 Lab Particle Density BS 1377-2: 2022; BS EN 1097-5:2008 Lab Particle Size Distribution BS EN 933-1: 2012; BS EN 12390-2: 2019

As written on the certificate · Line 38 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014; BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2: 1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN 13036-4: 2011 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1:2014

As written on the certificate · Line 39 (UKAS 4161)

BS EN ISO 17892-4: 2014 Lab Particle Density - gas jar method BS 1377-2: 1990 BS 1377-2: 2022 Lab Bulk density - By Linear Measurement BS 1377-2: 1990 Clause 7; BS EN ISO 17892-2: 2014; BS EN ISO 17892-8 2018; BS 1377-2; BS 1377-4

As written on the certificate · Line 73 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014 Lab Liquid limit - cone penetrometer - one point BS 1377-2: 1990 BS 1377-2: 2022 BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Lab Manufacture and initial curing of beams/prisms BSEN 12390-2: 2019 BS EN 14651: 2007; BS EN 12390-2: 2019 Lab Slump BS EN 12350-2: 2019 Lab CONCRETE - hardened Dimensions BS EN 12390-1: 2021 Lab Curing BS EN 12390-2: 2019 Lab Compressive strength of cubes BS EN 12390-3: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Density BS EN 12390-7: 2019 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Fibre content of fibre reinforced concrete BS EN 14488-7: 2006 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2

ISO 17892-4Geotechnical investigation and testing - Laboratory testing of soil - Part 4: Determination of particle size distribution
As written on the certificate · Line 8 (UKAS 4161)

BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2: 1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN ISO 17892-4: 2014 Lab Particle density - gas jar BS 1377-2: 1990 BS 1377-2: 2022 Lab Dry density/moisture content relationship - 2; BS EN ISO 17892-8: 2018; BS 1377-2; BS 1377-4

As written on the certificate · Line 33 (UKAS 4161)

BSEN ISO 17892-1:2014; BS EN ISO 17892-2:2014; BS EN ISO 17892-4: 2014 Lab Uniformity Coefficient BS EN ISO 14688-2: 2018 Lab Particle Density BS 1377-2: 2022; BS EN 1097-5:2008 Lab Particle Size Distribution BS EN 933-1: 2012; BS EN 12390-2: 2019

As written on the certificate · Line 38 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014; BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2: 1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN 13036-4: 2011 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1:2014

As written on the certificate · Line 39 (UKAS 4161)

BS EN ISO 17892-4: 2014 Lab Particle Density - gas jar method BS 1377-2: 1990 BS 1377-2: 2022 Lab Bulk density - By Linear Measurement BS 1377-2: 1990 Clause 7; BS EN ISO 17892-2: 2014; BS EN ISO 17892-8 2018; BS 1377-2; BS 1377-4

As written on the certificate · Line 41 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN 933-1: 2012 Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 45 (UKAS 4161)

BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2:1990 BS 1377-2:2022 BS EN ISO 17892-4: 2014 Lab Dry density/moisture content relationship - 2; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 47 (UKAS 4161)

BS EN ISO 17892-1: 2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014 Lab Particle Density - gas jar method BS 1377-2:2022; BS EN 13286-4:2021; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 50 (UKAS 4161)

BS EN ISO 17892-4:2016 Lab Determination of particle size distribution - sieving method - pipette method BS 1377-2: 2022 BS EN ISO 17892-4:2016; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 17892-4:2016 Lab Determination of particle size distribution - sieving method - pipette method BS 1377-2: 2022 BS EN ISO 17892-4:2016

As written on the certificate · Line 53 (UKAS 4161)

BS EN ISO 17892-12 2018; BS EN ISO 17892-4:2016; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 64 (UKAS 4161)

BS EN ISO 17892-1: 2014; BS EN ISO 17892-4:2014 Temp Uniformity Coefficient BS EN ISO 14688-2:2018 Temp Liquid limit Fall cone 4 Point method BSEN ISO 17892-12:2014; BSEN ISO 17892-12:2014; BS EN 933-1:2012 Temp Water content BS EN 1097-5:2008 Temp Sampling from stockpiles BS EN 932-1:1997 Site DIHM STP S0/Method 2 Issue 4 SOILS for civil engineering purposes Water Content BS EN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 74 (UKAS 4161)

BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2: 1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN ISO 17892-4: 2014 Lab Particle density - gas jar BS 1377-2: 1990 BS 1377-2: 2022 Lab Dry density/moisture content relationship - 2; BS 1377-2; BS 1377-4

ISO 17892-8Geotechnical investigation and testing - Laboratory testing of soil - Part 8: Unconsolidated undrained triaxial test
As written on the certificate · Line 8 (UKAS 4161)

BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2: 1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN ISO 17892-4: 2014 Lab Particle density - gas jar BS 1377-2: 1990 BS 1377-2: 2022 Lab Dry density/moisture content relationship - 2; BS EN ISO 17892-8: 2018; BS 1377-2; BS 1377-4

As written on the certificate · Line 39 (UKAS 4161)

BS EN ISO 17892-4: 2014 Lab Particle Density - gas jar method BS 1377-2: 1990 BS 1377-2: 2022 Lab Bulk density - By Linear Measurement BS 1377-2: 1990 Clause 7; BS EN ISO 17892-2: 2014; BS EN ISO 17892-8 2018; BS 1377-2; BS 1377-4

As written on the certificate · Line 75 (UKAS 4161)

BS EN ISO 17892-8 2018 Lab UNBOUND and HYDRALICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4: 2021; BS EN 13286-46: 2003; BS EN 13286-47: 2021; BS 1377-4; BS 1377-2

ISO 17892-12Geotechnical investigation and testing - Laboratory testing of soil - Part 12: Determination of liquid and plastic limits
As written on the certificate · Line 7 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12697-5: 2018 Lab Bulk density - sealed specimen BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab CONCRETE -Fresh Making concrete cubes BS EN 12390-2: 2019 Lab CONCRETE - hardened Compressive strength of cubes BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Cored specimens - testing in compression BS EN 12504-1: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 38 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014; BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2: 1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN 13036-4: 2011 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1:2014

As written on the certificate · Line 41 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN 933-1: 2012 Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 44 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Compressive strength of resin concrete cubes - including Curing and Density BS 6319-2: 1983 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Density BS EN 12390-7: 2019 Lab Flexural strength BS EN 12390-5: 2019 Lab Fibre Content BS EN 14488-7: 2006; BS EN 14651: 2005; BS EN 13286-4: 2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014

As written on the certificate · Line 45 (UKAS 4161)

BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2:1990 BS 1377-2:2022 BS EN ISO 17892-4: 2014 Lab Dry density/moisture content relationship - 2; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 49 (UKAS 4161)

BS EN ISO 17892-1:2014; BS EN ISO 17892-12 2018 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 BS EN ISO 17892-12 2018; BS EN ISO 17892-12 2018 Lab Plastic limit BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-12 2018 Lab Plasticity index BS1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-12 2018 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990; BS 1377-2

As written on the certificate · Line 53 (UKAS 4161)

BS EN ISO 17892-12 2018; BS EN ISO 17892-4:2016; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 64 (UKAS 4161)

BS EN ISO 17892-1: 2014; BS EN ISO 17892-4:2014 Temp Uniformity Coefficient BS EN ISO 14688-2:2018 Temp Liquid limit Fall cone 4 Point method BSEN ISO 17892-12:2014; BSEN ISO 17892-12:2014; BS EN 933-1:2012 Temp Water content BS EN 1097-5:2008 Temp Sampling from stockpiles BS EN 932-1:1997 Site DIHM STP S0/Method 2 Issue 4 SOILS for civil engineering purposes Water Content BS EN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 65 (UKAS 4161)

BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Temp Dimensions of Concrete Specimens BS EN 12390-1: 2021 Temp Compressive Strength of Concrete Cubes BS EN 12390-3: 2019; BS EN 12390-7:2019; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 17892-12:2014

As written on the certificate · Line 73 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014 Lab Liquid limit - cone penetrometer - one point BS 1377-2: 1990 BS 1377-2: 2022 BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Lab Manufacture and initial curing of beams/prisms BSEN 12390-2: 2019 BS EN 14651: 2007; BS EN 12390-2: 2019 Lab Slump BS EN 12350-2: 2019 Lab CONCRETE - hardened Dimensions BS EN 12390-1: 2021 Lab Curing BS EN 12390-2: 2019 Lab Compressive strength of cubes BS EN 12390-3: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Density BS EN 12390-7: 2019 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Fibre content of fibre reinforced concrete BS EN 14488-7: 2006 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2

As written on the certificate · Line 74 (UKAS 4161)

BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2: 1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN ISO 17892-4: 2014 Lab Particle density - gas jar BS 1377-2: 1990 BS 1377-2: 2022 Lab Dry density/moisture content relationship - 2; BS 1377-2; BS 1377-4

ASTM

ASTM C232Name not checked yet
As written on the certificate · Line 68 (UKAS 4161)

BS EN 14488-7: 2006 Site Static segregation of self- consolidating concrete - column technique ASTM C1610- 21 Site Bleeding of concrete ASTM C232- 21 Site CONCRETE - fresh reinforced Fibre content - Steel fibres BS EN 14721: 2005; BS EN 12504-1: 2019 Site Coring BS EN 14488-1: 2005 Site Drilling for dust samples Building Research Establishment Information Paper 21/86 Site Measurement of carbonation depth BS EN 14630: 2006 BRE Digest 405; BS EN 16165: 2021 Site PILED FOUNDATIONS Pile integrity ASTM D5882-16; BS 1881; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

ASTM C1610Name not checked yet
As written on the certificate · Line 68 (UKAS 4161)

BS EN 14488-7: 2006 Site Static segregation of self- consolidating concrete - column technique ASTM C1610- 21 Site Bleeding of concrete ASTM C232- 21 Site CONCRETE - fresh reinforced Fibre content - Steel fibres BS EN 14721: 2005; BS EN 12504-1: 2019 Site Coring BS EN 14488-1: 2005 Site Drilling for dust samples Building Research Establishment Information Paper 21/86 Site Measurement of carbonation depth BS EN 14630: 2006 BRE Digest 405; BS EN 16165: 2021 Site PILED FOUNDATIONS Pile integrity ASTM D5882-16; BS 1881; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

ASTM D5882Name not checked yet
As written on the certificate · Line 68 (UKAS 4161)

BS EN 14488-7: 2006 Site Static segregation of self- consolidating concrete - column technique ASTM C1610- 21 Site Bleeding of concrete ASTM C232- 21 Site CONCRETE - fresh reinforced Fibre content - Steel fibres BS EN 14721: 2005; BS EN 12504-1: 2019 Site Coring BS EN 14488-1: 2005 Site Drilling for dust samples Building Research Establishment Information Paper 21/86 Site Measurement of carbonation depth BS EN 14630: 2006 BRE Digest 405; BS EN 16165: 2021 Site PILED FOUNDATIONS Pile integrity ASTM D5882-16; BS 1881; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

ASTM D7830Name not checked yet
As written on the certificate · Line 70 (UKAS 4161)

BS EN 13286-46: 2003; BS 1377-9; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025; ASTM D7830

BS

BS 1377-2Name not checked yet
As written on the certificate · Line 7 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-12:2014; BS EN 12697-5: 2018 Lab Bulk density - sealed specimen BS EN 12697-6: 2020 Lab Air voids content BS EN 12697-8: 2018 Lab CONCRETE -Fresh Making concrete cubes BS EN 12390-2: 2019 Lab CONCRETE - hardened Compressive strength of cubes BS EN 12390-3: 2019 Lab Curing BS EN 12390-2: 2019 Lab Dimensions BS EN 12390-1: 2021 Lab Density BS EN 12390-7: 2019 Lab Cored specimens - testing in compression BS EN 12504-1: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 8 (UKAS 4161)

BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2: 1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN ISO 17892-4: 2014 Lab Particle density - gas jar BS 1377-2: 1990 BS 1377-2: 2022 Lab Dry density/moisture content relationship - 2; BS EN ISO 17892-8: 2018; BS 1377-2; BS 1377-4

As written on the certificate · Line 34 (UKAS 4161)

BS EN 12697-1: 2020; BS EN 12697-1: 2020 Lab Particle size distribution BS EN 12697-2: 2024; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 39 (UKAS 4161)

BS EN ISO 17892-4: 2014 Lab Particle Density - gas jar method BS 1377-2: 1990 BS 1377-2: 2022 Lab Bulk density - By Linear Measurement BS 1377-2: 1990 Clause 7; BS EN ISO 17892-2: 2014; BS EN ISO 17892-8 2018; BS 1377-2; BS 1377-4

As written on the certificate · Line 41 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN 933-1: 2012 Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 42 (UKAS 4161)

BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 45 (UKAS 4161)

BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2:1990 BS 1377-2:2022 BS EN ISO 17892-4: 2014 Lab Dry density/moisture content relationship - 2; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 47 (UKAS 4161)

BS EN ISO 17892-1: 2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014 Lab Particle Density - gas jar method BS 1377-2:2022; BS EN 13286-4:2021; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 50 (UKAS 4161)

BS EN ISO 17892-4:2016 Lab Determination of particle size distribution - sieving method - pipette method BS 1377-2: 2022 BS EN ISO 17892-4:2016; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 17892-4:2016 Lab Determination of particle size distribution - sieving method - pipette method BS 1377-2: 2022 BS EN ISO 17892-4:2016

As written on the certificate · Line 52 (UKAS 4161)

BS EN ISO 17892- 1:2014; BS EN 12697-8:2018; BS EN 12697-9:2002; BS EN 12697-9:2002 Lab Dimensions of a specimen BS EN 12697-29:2020 Lab Laboratory compaction of bituminous mixtures by vibratory compaction BS EN 12697-32:2019 Lab Thickness of a bituminous Pavement BS EN 12697-36:2003 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019 Lab Cored specimens - examining and testing in compression BS EN 12504-1:2019 Lab Depth of carbonation BS EN 14630:2006; BS 1377-2

As written on the certificate · Line 53 (UKAS 4161)

BS EN ISO 17892-12 2018; BS EN ISO 17892-4:2016; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 58 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 59 (UKAS 4161)

BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 13286-4:2021; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 62 (UKAS 4161)

BS EN 1097-5:2008 Lab CONCRETE- Hardened Curing of Concrete Specimens BS EN 12390-2: 2019 Lab Dimensions of Concrete Specimens BS EN 12390-1: 2021 Lab Compressive Strength of Concrete Cubes BS EN 12390-3: 2019 Lab Density of Concrete Cubes BS EN 12390-7: 2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 63 (UKAS 4161)

BS EN ISO 17892-1: 2014; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 17892-1: 2014; IEC 17025

As written on the certificate · Line 64 (UKAS 4161)

BS EN ISO 17892-1: 2014; BS EN ISO 17892-4:2014 Temp Uniformity Coefficient BS EN ISO 14688-2:2018 Temp Liquid limit Fall cone 4 Point method BSEN ISO 17892-12:2014; BSEN ISO 17892-12:2014; BS EN 933-1:2012 Temp Water content BS EN 1097-5:2008 Temp Sampling from stockpiles BS EN 932-1:1997 Site DIHM STP S0/Method 2 Issue 4 SOILS for civil engineering purposes Water Content BS EN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 73 (UKAS 4161)

BSEN ISO 17892-1:2014; BSEN ISO 17892-2:2014 Lab Liquid limit - cone penetrometer - one point BS 1377-2: 1990 BS 1377-2: 2022 BSEN ISO 17892-12:2014; BS EN 12390-2: 2019 Lab Manufacture and initial curing of beams/prisms BSEN 12390-2: 2019 BS EN 14651: 2007; BS EN 12390-2: 2019 Lab Slump BS EN 12350-2: 2019 Lab CONCRETE - hardened Dimensions BS EN 12390-1: 2021 Lab Curing BS EN 12390-2: 2019 Lab Compressive strength of cubes BS EN 12390-3: 2019 Lab Tensile splitting strength BS EN 12390-6: 2009 Lab Density BS EN 12390-7: 2019 Lab Cored Specimens - examining and testing in compression BS EN 12504-1: 2019 Lab Fibre content of fibre reinforced concrete BS EN 14488-7: 2006 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2: 1990 Lab Water content - oven drying method BS 1377-2: 2022 BSEN ISO 17892-1:2014; BS 1377-2

As written on the certificate · Line 74 (UKAS 4161)

BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2: 1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN ISO 17892-4: 2014 Lab Particle density - gas jar BS 1377-2: 1990 BS 1377-2: 2022 Lab Dry density/moisture content relationship - 2; BS 1377-2; BS 1377-4

BS 1377-4Name not checked yet
As written on the certificate · Line 54 (UKAS 4161)

BS EN 13286-4:2021; BS 1377-4; BS 1377-2; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025

As written on the certificate · Line 60 (UKAS 4161)

BS EN 932-1: 1997; BS EN 12350-1: 2019 Site Slump BS EN 12350-2: 2019 Site Density BS EN 12350-6: 2019 Site Making concrete cubes BS EN 12390-2: 2019 Site SOILS for civil engineering purposes Sampling site - excavated material - from heaps Documented In-House Method STP S0/Method 2 Issue 4 Site MCV - natural moisture content BS 1377-4: 1990; BS 1377-4; BS 1377-9; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 69 (UKAS 4161)

BS EN 13036-4: 2011; BS EN 13036-1:2010; BS 1377-4; BS 1377-9; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 75 (UKAS 4161)

BS EN ISO 17892-8 2018 Lab UNBOUND and HYDRALICALLY BOUND MIXTURES Laboratory reference density and water content - vibrating hammer BS EN 13286-4: 2021; BS EN 13286-46: 2003; BS EN 13286-47: 2021; BS 1377-4; BS 1377-2

BS 1377-9Name not checked yet
As written on the certificate · Line 70 (UKAS 4161)

BS EN 13286-46: 2003; BS 1377-9; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; IEC 17025; ASTM D7830

Other standards

ISO 11731Water quality - Enumeration of LegionellaCertificate says EN ISO 11731 2019-03 UBA Empfehlung 18. Probably the same standard; not checked against the EN document.
As written on the certificate · Line 32 (UKAS 4161)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 11731 : 2017 according to procedures 8; IEC 17025

ISO 14688-2Geotechnical investigation and testing - Identification and classification of soil - Part 2: Principles for a classification
As written on the certificate · Line 6 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022; BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3:2 012 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Resistance to fragmentation of rail ballast - Los Angeles method BS EN 1097-2: 2020; BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab Determination of the thickness of a bituminous pavement - destructive method BS EN 12697-36: 2022

As written on the certificate · Line 33 (UKAS 4161)

BSEN ISO 17892-1:2014; BS EN ISO 17892-2:2014; BS EN ISO 17892-4: 2014 Lab Uniformity Coefficient BS EN ISO 14688-2: 2018 Lab Particle Density BS 1377-2: 2022; BS EN 1097-5:2008 Lab Particle Size Distribution BS EN 933-1: 2012; BS EN 12390-2: 2019

As written on the certificate · Line 36 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 1097-5: 2008; BS EN 1097-6: 2022; BS EN 1097-6: 2022 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; BS EN 12697-1: 2020

As written on the certificate · Line 41 (UKAS 4161)

BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BSEN ISO 17892-12:2014; BS EN ISO 17892-4: 2014 Lab Particle size distribution - dry sieving BS 1377-2:1990 BS 1377-2: 2022 BS EN ISO 17892-4: 2014; BS EN 933-1: 2012 Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018 Lab ROAD MATERIALS - unbound and hydraulically bound mixtures Laboratory reference density and water content - vibrating hammer BS EN 13286-4:2021 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Water content - oven drying method BS 1377-2:2022 BSEN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 43 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012; BS EN 933-11: 2009 Lab Lab Water content - drying in a ventilated oven BS EN 1097-5: 2008 Uniformity coefficient B BS EN ISO 14688-2: 2018; BS EN 12350-4: 2019 Lab Density BS EN 12350-6: 2019 Lab Air Content - Pressure method BS EN 12350-7: 2019 Lab Making test cubes and curing BS EN 12390-2: 2019 Lab Making test cylinders and curing BS EN 12390-2: 2019 Lab Method for Making Test Beams from Fresh Concrete BS EN 12390: Pt 2: 2019; BS EN 14651: 2005

As written on the certificate · Line 46 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab CONCRETE - hardened Compressive strength of cubes - including curing BS EN 12390-3:2019 BS EN 12390-2:2019 BS EN 12390-1:2021 Lab Density BS EN 12390-7:2019; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999; BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2: 2020 Lab Particle density and water absorption - pyknometer method for aggregate particles between 0; BS EN 1097-6:2022 Lab Particle density and water absorption BS EN 1097-6:2022 Lab - pyknometer method for aggregate particles between 4 mm and 31; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 51 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Reduction to a test portion of a specified mass within a small tolerance BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Flakiness index BS EN 933-3:2012 Lab Micro-Deval coefficient BS EN 1097-1:2011 Lab Resistance to fragmentation by the Los Angeles test method BS EN 1097-2:2020 Lab Resistance to fragmentation of aggregates for railway ballast by the Los Angeles test method BS EN 1097-2: 2020 Annex A Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; BS EN 12697-1:2020 Lab Particle size distribution BS EN 12697-2:2024 Lab Maximum density - volumetric procedure BS EN 12697-5:2018; BS EN 12697-6:2020; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 58 (UKAS 4161)

BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS EN 932-2:1999 Lab Sample reduction - quartering BS EN 932-2:1999 Lab Particle size distribution - sieving method BS EN 933-1:2012 Lab Water content BS EN 1097-5:2008 Lab Uniformity coefficient BS EN ISO 14688-2:2018 Lab CONCRETE - fresh Manufacture of cubic specimens for strength tests including curing BS EN 12390-2:2019 Lab SOILS for civil engineering purposes Moisture content - oven drying method BS 1377-2:1990 Lab Liquid limit - cone penetrometer - one point BS 1377-2:1990 Lab Plastic limit BS 1377-2:1990 Lab Plasticity index BS 1377-2:1990 Lab Particle size distribution - wet sieving BS 1377-2:1990 Lab Particle size distribution - dry sieving BS 1377-2:1990; BS 1377-2; BS 1377-4; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

As written on the certificate · Line 64 (UKAS 4161)

BS EN ISO 17892-1: 2014; BS EN ISO 17892-4:2014 Temp Uniformity Coefficient BS EN ISO 14688-2:2018 Temp Liquid limit Fall cone 4 Point method BSEN ISO 17892-12:2014; BSEN ISO 17892-12:2014; BS EN 933-1:2012 Temp Water content BS EN 1097-5:2008 Temp Sampling from stockpiles BS EN 932-1:1997 Site DIHM STP S0/Method 2 Issue 4 SOILS for civil engineering purposes Water Content BS EN ISO 17892-1: 2014; BS 1377-2

As written on the certificate · Line 71 (UKAS 4161)

BS EN ISO 14688-2: 2018; BS EN 932-1: 1997 Lab Methods of reducing laboratory samples - using a riffle box - reduction by quartering - to a test portion of a specified mass within a small tolerance BS EN 932-2: 1999 Lab Particle size distribution - sieving method BS EN 933-1: 2012 Lab Flakiness index BS EN 933-3: 2012 Lab Shape index BS EN 933-4: 2008 Lab Classification test for the constituents of coarse recycled aggregate BS EN 933-11: 2009 Lab Resistance to fragmentation - Los Angeles method BS EN 1097-2: 2020 Lab Water content BS EN 1097-5: 2008 Lab Particle density and water absorption - pyknometer method for aggregates between 0; BS EN 1097-6: 2022 Lab Particle density and water absorption - pyknometer method for aggregate particles between 4 mm and 31; BS EN 1097-6: 2022 Lab Magnesium sulfate test BS EN 1367-2: 2009 Lab Uniformity coefficient BS EN ISO 14688-2: 2018; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2

Scope as published by UKAS

75 lines
UKAS

ISO/IEC 17025

Active

4161

View scope

Location

29 The Warren, Craftsmans Way, East Goscote, Syston, Leicester, LE7 3SL, GB

52.63620, -1.13320

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This page mirrors a public register. For a purchasing, audit or regulatory decision, confirm against the UKAS entry linked above.