6 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform ASTM C131 testing. From the accredited scope text: “ASTM C131/C131M Resistance of Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine ASTM C136/C136M Sieve Analysis of Fine and Coarse Aggregates ASTM C142/C142M” “ASTM C131, ASTM C535 Liquid Limit Device & Groover3 – Dimensions Weight of Cup & Hanger Up to 150 mm Up to 215 g 0.02 mm 0.13 g ASTM D4318 Molds Cylinder3 – Height Diameter Up to 12 in Up to 6 in 650”
Houston, TX, US
ASTM C131/C131M Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine ASTM C136/C136M Sieve Analysis of Fine and Coarse Aggregates ASTM C142/C142M Clay Lumps and Friable Particles in
Olympia, WA, US
ASTM C131/C131M Resistance of Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine ASTM C136/C136M Sieve Analysis of Fine and Coarse Aggregates ASTM C142/C142M Clay Lumps and Friable Particles in
Milwaukie, OR, US
ASTM C131, ASTM C535 Liquid Limit Device & Groover3 – Dimensions Weight of Cup & Hanger Up to 150 mm Up to 215 g 0.02 mm 0.13 g ASTM D4318 Molds Cylinder3 – Height Diameter Up
Wilsonville, OR, US
ASTM C131 Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine ASTM C136 Sieve Analysis of Fine and Coarse Aggregates ASTM C142 Clay Lumps and Friable Particles in Aggregates ASTM C5
Corpus Christi, TX, US
ASTM C131/C131 Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine ASTM C136/C136M Sieve Analysis of Fine and Coarse Aggregates ASTM C535 Resistance to Degradation of Large-Size Co
Vancouver, WA, US
ASTM C131/C131M Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine ASTM C136/C136M Sieve Analysis of Fine and Coarse Aggregates ASTM C566 Total Evaporable Moisture Content of Agg
This page is a fixed slice of the register: every ASTM C131 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.