ASTM D1557 Accredited Testing Labs in United States
3 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform ASTM D1557 testing. These labs commonly handle Aggregates, Drinking water matrices. Most frequently tested analytes via this method in United States: Shell Content, Water Content, Water (Moisture) Content. Accredited providers include Teyseer Laboratories, Earth Engineering, AL BARAHA TECHNICAL. Sites located in Doha, Houston, TX.
Accredited Labs
(A2LA Cert. No. 5186.01) 04/25/2025 Page 2 of 3 Test Method: Test Description: Aggregates (continued): BS EN 933, Part 7 Determination of Shell Content. Percenta
(A2LA Cert. No. 1501.01) 11/25/2024 Page 2 of 2 Test Method: Test Description: Soils (Continued): ASTM D1557 Laboratory Compaction Characteristics of Soil Using Modified Effort A
(A2LA Cert. No. 4881.01) 12/30/2024 Page 6 of 7 Test Method: Test Description: ASTM D1557 Laboratory Compaction Characteristics of Soil Using Mod
Top matrices for ASTM D1557 in United States
Top analytes for ASTM D1557 in United States
- Shell Content (1)
- Water Content (1)
- Water (Moisture) Content (1)
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.