6 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform ISO 4406 testing. From the accredited scope text: “ISO 4406 cleanliness codes M063 based on ASTM D7647 – Automatic Particle Counter (by light excitation) using dilution techniques Total Acid Number M007 based on ASTM D664 Total Base Number M006 based” “ISO 4406 Diesel/Oil/Bioblends Laser Counter Phosphate ISO 22241-2 H Diesel Exhaust Fluid Spectrophotometer Pour Point ASTM D97 Diesel/Oil/Bioblends Biodiesel (B-100) Cold Bath Refractive Index ISO 222” “ISO 4406 & ISO 11171 ASTM D7671 A Corrosiveness to Silver ASTM E203 Water in Liquid Petroleum Products EN 14078 Fatty Acid Methyl Ester (FAME) in Middle Distillates EN 14538 Ca, K, Mg, & Na in Biodies” “ISO 4406, ISO 11500; ASTM D7647 Condition Monitoring of Used Lubricants Using FTIR Spectrometry MRT L4.21 ASTM E2412 Phenol and Amine Depletion MRT L4.59 ASTM D6971”
Warrendale, PA, US
ISO 4406 Diesel/Oil/Bioblends Laser Counter Phosphate ISO 22241-2 H Diesel Exhaust Fluid Spectrophotometer Pour Point ASTM D97 Diesel/Oil/Bioblends Biodiesel (B-100) Cold Bath Refractive Index ISO 22241-2 C Diesel Exhaust Fluid Refrac
Indianapolis, IN, US
SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 POLARIS LABORATORIES, LLC1 7451 Winton Drive Indianapolis, IN 46268 David Swanson Phone: 317 808 3750 Ext. 1302 CHEMICAL Valid To: June 30, 2026 Certific
South Houston, TX, US
ISO 4406, ISO 11500; ASTM D7647 Condition Monitoring of Used Lubricants Using FTIR Spectrometry MRT L4.21 ASTM E2412 Phenol and Amine Depletion MRT L4.59 ASTM D6971
Wixom, MI, US
SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ELEMENT MATERIALS TECHNOLOGY DETROIT – WIXOM 51229 Century Court Wixom, MI 48393-2074 Matthew Gorsline Phone: +1 248 458 5900 CHEMICAL Valid To: May 31, 2027
Livonia, MI, US
ISO 4406 & ISO 11171 ASTM D7671 A Corrosiveness to Silver ASTM E203 Water in Liquid Petroleum Products EN 14078 Fatty Acid Methyl Ester (FAME) in Middle Distillates EN 14538 Ca, K, Mg, & Na in Biodiesels EN 15751 Oxidation Stability of
United States, US
ISO/IEC 17025:2017 Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK Jet-Care International Inc Issue No: 038 Issue date: 07 August 2025
This page is a fixed slice of the register: every ISO 4406 scope we hold for United States. Search narrows it further by city, accreditation body, or a term from the scope text itself.
Search labs in United StatesAmerican Association for Laboratory Accreditation (A2LA) is the primary accreditation body issuing ISO/IEC 17025 accreditation for testing laboratories in United States.
ISO/IEC 17025 is the international standard for the competence of testing and calibration laboratories. Accreditation to this standard provides independent confirmation that a laboratory operates a quality management system and is technically competent to produce valid results within its declared scope.