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United Kingdom

Harrison Group Environmental Ltd. T/A Harrison Testing Services

Unit 1 & 2, Alston Road, Hellesdon Park Industrial Estate, Norwich, NR6 5DS, Norfolk, United Kingdom

UKAS|4031ISO/IEC 17025Register refreshed 2026-09-25
Certificates
1
Scope items
3
Standards
7
Locations
1

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Register record

UKASRefreshed
4031Active

Accredited standards

7

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.

BS 1377-2Name not checked yet
As written on the certificate · Line 2 (UKAS 4031)

BS 1377-2; BS 1377-5; BS 1377-7; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ison Testing Services Issue No: 012 Issue date: 11 November 2025 Testing performed at main address only Assessment Manager: TD2 Page 2 of 3 Materials/Products tested Type of test/Properties measured/Range of measurement Standard specifications/ Equipment/Techniques used SOILS for civil engineering purposes Moisture content - oven drying method Determination of liquid limit - cone penetrometer - definitive method BS 1377-2:1990 BS 1377-2:1990 Determination of liquid limit - cone penetrometer - one-point method Determination of plastic limit Determination of plasticity index Determination of liquidity index Particle size distribution - wet sieving Particle size distribution - dry sieving Particle size distribution - sedimentation - pipette method Dry density/water content relationship - 2

ISO 17892-1Geotechnical investigation and testing - Laboratory testing of soil - Part 1: Determination of water content
As written on the certificate · Line 1 (UKAS 4031)

BS EN ISO 17892-1:2014; BS EN ISO 17892-2:2014 BS EN ISO 17892-4:2016 BS EN ISO 17892-4:2016 BS EN ISO 17892-5: 2017 BS EN ISO 17892-8:2018 BS EN ISO 17892-12:2018; BS EN ISO 17892-12:2018; ISO/IEC 17025:2017; ison Testing Services Issue No: 012 Issue date: 11 November 2025 Unit 1

ISO 17892-2Geotechnical investigation and testing - Laboratory testing of soil - Part 2: Determination of bulk density
As written on the certificate · Line 1 (UKAS 4031)

BS EN ISO 17892-1:2014; BS EN ISO 17892-2:2014 BS EN ISO 17892-4:2016 BS EN ISO 17892-4:2016 BS EN ISO 17892-5: 2017 BS EN ISO 17892-8:2018 BS EN ISO 17892-12:2018; BS EN ISO 17892-12:2018; ISO/IEC 17025:2017; ison Testing Services Issue No: 012 Issue date: 11 November 2025 Unit 1

ISO 17892-4Geotechnical investigation and testing - Laboratory testing of soil - Part 4: Determination of particle size distribution
As written on the certificate · Line 1 (UKAS 4031)

BS EN ISO 17892-1:2014; BS EN ISO 17892-2:2014 BS EN ISO 17892-4:2016 BS EN ISO 17892-4:2016 BS EN ISO 17892-5: 2017 BS EN ISO 17892-8:2018 BS EN ISO 17892-12:2018; BS EN ISO 17892-12:2018; ISO/IEC 17025:2017; ison Testing Services Issue No: 012 Issue date: 11 November 2025 Unit 1

ISO 17892-5Geotechnical investigation and testing - Laboratory testing of soil - Part 5: Incremental loading oedometer test
As written on the certificate · Line 1 (UKAS 4031)

BS EN ISO 17892-1:2014; BS EN ISO 17892-2:2014 BS EN ISO 17892-4:2016 BS EN ISO 17892-4:2016 BS EN ISO 17892-5: 2017 BS EN ISO 17892-8:2018 BS EN ISO 17892-12:2018; BS EN ISO 17892-12:2018; ISO/IEC 17025:2017; ison Testing Services Issue No: 012 Issue date: 11 November 2025 Unit 1

ISO 17892-8Geotechnical investigation and testing - Laboratory testing of soil - Part 8: Unconsolidated undrained triaxial test
As written on the certificate · Line 1 (UKAS 4031)

BS EN ISO 17892-1:2014; BS EN ISO 17892-2:2014 BS EN ISO 17892-4:2016 BS EN ISO 17892-4:2016 BS EN ISO 17892-5: 2017 BS EN ISO 17892-8:2018 BS EN ISO 17892-12:2018; BS EN ISO 17892-12:2018; ISO/IEC 17025:2017; ison Testing Services Issue No: 012 Issue date: 11 November 2025 Unit 1

ISO 17892-12Geotechnical investigation and testing - Laboratory testing of soil - Part 12: Determination of liquid and plastic limits
As written on the certificate · Line 1 (UKAS 4031)

BS EN ISO 17892-1:2014; BS EN ISO 17892-2:2014 BS EN ISO 17892-4:2016 BS EN ISO 17892-4:2016 BS EN ISO 17892-5: 2017 BS EN ISO 17892-8:2018 BS EN ISO 17892-12:2018; BS EN ISO 17892-12:2018; ISO/IEC 17025:2017; ison Testing Services Issue No: 012 Issue date: 11 November 2025 Unit 1

Scope as published by UKAS

3 lines
UKAS

ISO/IEC 17025

Active

4031

View scope

Accredited scope, certificate 4031

LineDisciplineMethodMatrixRange
1Dimensional MetrologyBS EN ISO 17892-1:2014; BS EN ISO 17892-2:2014 BS EN ISO 17892-4:2016 BS EN ISO 17892-4:2016 BS EN ISO 17892-5: 2017 BS EN ISO 17892-8:2018 BS EN ISO 17892-12:2018; BS EN ISO 17892-12:2018; ISO/IEC 17025:2017; ison Testing Services Issue No: 012 Issue date: 11 November 2025 Unit 1Drinking water-
2Mechanical TestingBS 1377-2; BS 1377-5; BS 1377-7; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ison Testing Services Issue No: 012 Issue date: 11 November 2025 Testing performed at main address only Assessment Manager: TD2 Page 2 of 3 Materials/Products tested Type of test/Properties measured/Range of measurement Standard specifications/ Equipment/Techniques used SOILS for civil engineering purposes Moisture content - oven drying method Determination of liquid limit - cone penetrometer - definitive method BS 1377-2:1990 BS 1377-2:1990 Determination of liquid limit - cone penetrometer - one-point method Determination of plastic limit Determination of plasticity index Determination of liquidity index Particle size distribution - wet sieving Particle size distribution - dry sieving Particle size distribution - sedimentation - pipette method Dry density/water content relationship - 2Drinking water-
3Mechanical TestingBS 1377-7; ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ison Testing Services Issue No: 012 Issue date: 11 November 2025 Testing performed at main address only Assessment Manager: TD2 Page 3 of 3; IEC 17025--

Ranges are reproduced from the accredited scope document as published. An absent range means the register did not state one. Line numbers are ours, for cross-reference; they follow the order of the scope document.

Location

Unit 1 & 2, Alston Road, Hellesdon Park Industrial Estate, Norwich, Norfolk, NR6 5DS, GB

52.66667, 1.00000

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