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United Kingdom

ITS Testing Services (UK)

Intertek Caleb Brett Thornton Laboratory, B301 Thornton Science Park, Pool Lane, CH2 4NU, Chester, United Kingdom

UKAS|1158ISO/IEC 17025Register refreshed 2026-09-25
Certificates
1
Scope items
7
Standards
26
Locations
1

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Register record

UKASRefreshed
1158Active

Accredited standards

26

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.

ISO

ISO 2160Petroleum products - Corrosiveness to copper - Copper strip test
As written on the certificate · Line 2 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 6251 Mercaptan sulphur IP 272; ISO 8973 modified Motor Gasolines Appearance ASTM D4176; ISO 22854; ISO 2160

As written on the certificate · Line 3 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 5163-05; ISO 22854; ISO 5164-05 Silver Corrosion ASTM D7671 Sulphur ISO 20846; ISO 2160

As written on the certificate · Line 5 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 6245 Cetane index IP 380; ISO 4264 Cloud point IP 219; ISO 3015; ISO 2160 Density IP 365

ISO 3012Petroleum products - Determination of thiol (mercaptan) sulfur in light and middle distillate fuels - Potentiometric method
As written on the certificate · Line 4 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 12185; ISO 3405; ISO 13736 Freezing point ASTM D5972 Heat of Combustion ASTM D3338; ISO 3012

ISO 3015Petroleum and related products from natural or synthetic sources - Determination of cloud point
As written on the certificate · Line 5 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 6245 Cetane index IP 380; ISO 4264 Cloud point IP 219; ISO 3015; ISO 2160 Density IP 365

ISO 3104Petroleum products - Transparent and opaque liquids - Determination of kinematic viscosity and calculation of dynamic viscosity
As written on the certificate · Line 6 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 20846 Sulphur IP 336; ISO 8754; ISO 3104; ISO 6618 Total Acid Number IP 177 Aromatics Acid Wash Colour ASTM D848

ISO 3405Petroleum and related products from natural or synthetic sources - Determination of distillation characteristics at atmospheric pressure
As written on the certificate · Line 4 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 12185; ISO 3405; ISO 13736 Freezing point ASTM D5972 Heat of Combustion ASTM D3338; ISO 3012

ISO 4264Petroleum products - Calculation of cetane index of middle-distillate fuels by the four variable equation
As written on the certificate · Line 5 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 6245 Cetane index IP 380; ISO 4264 Cloud point IP 219; ISO 3015; ISO 2160 Density IP 365

ISO 5163-05Name not checked yet
As written on the certificate · Line 3 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 5163-05; ISO 22854; ISO 5164-05 Silver Corrosion ASTM D7671 Sulphur ISO 20846; ISO 2160

ISO 5164-05Name not checked yet
As written on the certificate · Line 3 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 5163-05; ISO 22854; ISO 5164-05 Silver Corrosion ASTM D7671 Sulphur ISO 20846; ISO 2160

ISO 6245Petroleum products - Determination of ash
As written on the certificate · Line 5 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 6245 Cetane index IP 380; ISO 4264 Cloud point IP 219; ISO 3015; ISO 2160 Density IP 365

ISO 6251Liquefied petroleum gases - Corrosiveness to copper - Copper strip test
As written on the certificate · Line 2 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 6251 Mercaptan sulphur IP 272; ISO 8973 modified Motor Gasolines Appearance ASTM D4176; ISO 22854; ISO 2160

ISO 6618Petroleum products and lubricants - Determination of acid or base number - Colour-indicator titration method
As written on the certificate · Line 6 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 20846 Sulphur IP 336; ISO 8754; ISO 3104; ISO 6618 Total Acid Number IP 177 Aromatics Acid Wash Colour ASTM D848

ISO 8754Petroleum products - Determination of sulfur content - Energy-dispersive X-ray fluorescence spectrometry
As written on the certificate · Line 6 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 20846 Sulphur IP 336; ISO 8754; ISO 3104; ISO 6618 Total Acid Number IP 177 Aromatics Acid Wash Colour ASTM D848

ISO 8973Liquefied petroleum gases - Calculation method for density and vapour pressure
As written on the certificate · Line 2 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 6251 Mercaptan sulphur IP 272; ISO 8973 modified Motor Gasolines Appearance ASTM D4176; ISO 22854; ISO 2160

ISO 10530Water quality - Determination of dissolved sulfide - Photometric method using methylene blue
As written on the certificate · Line 7 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 15705: 2002; ISO 10530; IEC 17025

ISO 12185Crude petroleum, petroleum products and related products - Determination of density - Laboratory density meter with an oscillating U-tube sensor
As written on the certificate · Line 4 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 12185; ISO 3405; ISO 13736 Freezing point ASTM D5972 Heat of Combustion ASTM D3338; ISO 3012

ISO 13736Determination of flash point - Abel closed-cup method
As written on the certificate · Line 4 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 12185; ISO 3405; ISO 13736 Freezing point ASTM D5972 Heat of Combustion ASTM D3338; ISO 3012

ISO 15705Water quality - Determination of the chemical oxygen demand index (ST-COD) - Small-scale sealed-tube method
As written on the certificate · Line 7 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 15705: 2002; ISO 10530; IEC 17025

ISO 20846Petroleum and related products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method
As written on the certificate · Line 3 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 5163-05; ISO 22854; ISO 5164-05 Silver Corrosion ASTM D7671 Sulphur ISO 20846; ISO 2160

As written on the certificate · Line 6 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 20846 Sulphur IP 336; ISO 8754; ISO 3104; ISO 6618 Total Acid Number IP 177 Aromatics Acid Wash Colour ASTM D848

ISO 22854Liquid petroleum products - Determination of hydrocarbon types and oxygenates in automotive-motor gasoline and in ethanol (E85) automotive fuel - Multidimensional gas chromatography method
As written on the certificate · Line 2 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 6251 Mercaptan sulphur IP 272; ISO 8973 modified Motor Gasolines Appearance ASTM D4176; ISO 22854; ISO 2160

As written on the certificate · Line 3 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 5163-05; ISO 22854; ISO 5164-05 Silver Corrosion ASTM D7671 Sulphur ISO 20846; ISO 2160

ASTM

ASTM D848Name not checked yet
As written on the certificate · Line 6 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 20846 Sulphur IP 336; ISO 8754; ISO 3104; ISO 6618 Total Acid Number IP 177 Aromatics Acid Wash Colour ASTM D848

ASTM D2163Name not checked yet
As written on the certificate · Line 1 (UKAS 1158)

BS EN 15984:2011-07 Liquefied Petroleum Gas Composition UK 3725 based on ASTM D2163 IP 264; ISO/IEC 17025:2017; Isobutane 0; Isobutylene 0; Isopentane 0

ASTM D3338Name not checked yet
As written on the certificate · Line 4 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 12185; ISO 3405; ISO 13736 Freezing point ASTM D5972 Heat of Combustion ASTM D3338; ISO 3012

ASTM D4176Name not checked yet
As written on the certificate · Line 2 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 6251 Mercaptan sulphur IP 272; ISO 8973 modified Motor Gasolines Appearance ASTM D4176; ISO 22854; ISO 2160

ASTM D5972Name not checked yet
As written on the certificate · Line 4 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 12185; ISO 3405; ISO 13736 Freezing point ASTM D5972 Heat of Combustion ASTM D3338; ISO 3012

ASTM D7671Name not checked yet
As written on the certificate · Line 3 (UKAS 1158)

ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 5163-05; ISO 22854; ISO 5164-05 Silver Corrosion ASTM D7671 Sulphur ISO 20846; ISO 2160

Other standards

EN 15984Name not checked yet
As written on the certificate · Line 1 (UKAS 1158)

BS EN 15984:2011-07 Liquefied Petroleum Gas Composition UK 3725 based on ASTM D2163 IP 264; ISO/IEC 17025:2017; Isobutane 0; Isobutylene 0; Isopentane 0

Scope as published by UKAS

7 lines
UKAS

ISO/IEC 17025

Active

1158

View scope

Accredited scope, certificate 1158

LineDisciplineMethodMatrixRange
1Materials TestingBS EN 15984:2011-07 Liquefied Petroleum Gas Composition UK 3725 based on ASTM D2163 IP 264; ISO/IEC 17025:2017; Isobutane 0; Isobutylene 0; Isopentane 0Petroleum products0.01 to 100 %v/v
2Materials TestingISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 6251 Mercaptan sulphur IP 272; ISO 8973 modified Motor Gasolines Appearance ASTM D4176; ISO 22854; ISO 2160Petroleum products-
3Materials TestingISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 5163-05; ISO 22854; ISO 5164-05 Silver Corrosion ASTM D7671 Sulphur ISO 20846; ISO 2160Ambient air-
4Chemical TestingISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 12185; ISO 3405; ISO 13736 Freezing point ASTM D5972 Heat of Combustion ASTM D3338; ISO 3012Drinking water-
5Materials TestingISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 6245 Cetane index IP 380; ISO 4264 Cloud point IP 219; ISO 3015; ISO 2160 Density IP 365Petroleum products-
6Materials TestingISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 20846 Sulphur IP 336; ISO 8754; ISO 3104; ISO 6618 Total Acid Number IP 177 Aromatics Acid Wash Colour ASTM D848Drinking water-
7Chemical TestingISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2; ISO 15705: 2002; ISO 10530; IEC 17025Oil-

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

Intertek Caleb Brett Thornton Laboratory, B301 Thornton Science Park, Pool Lane, Chester, CH2 4NU, GB

53.19089, -2.89090

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Accreditation data refreshed from the UKAS register on .

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