Qal-Tek Associates
Idaho Falls, ID, US
Scope
(A2LA Cert No. 2521.01) Revised 1/22/2026 Page 7 of 12 Parameter/Equipment Range CMC2, 4 (±) Comments Liquid Limit Device3 Up to 150 mm Up to 215 g 0.038 mm (0.0015 in) 37 mg ASTM D4318 Calipers
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ISO/IEC 17025 directory
ASTM D15557 Accredited Testing Labs in United States
1 laboratory in United States is accredited by A2LA under ISO/IEC 17025 to perform ASTM D15557 testing. From the accredited scope text: “ASTM D15557 Caliper Depth gauge Sieves3 Up to 12 in 0.008 in (0.31 mm) ASTM E11, eye loupe, calipers Slump Cones3 Up to 8 in Up to 12 in Up to 0.12 in Up to 0.63 in 0.0015 in ASTM C143, digital calipe”
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See all accredited labs in United States or browse other methods such as ANSI/NCSL Z540-1-1994, ASTM E18, ASTM E10.
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About ISO/IEC 17025 in United States
American 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.