Asphalt Testing Labs in United States
3 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform Asphalt testing. Common methods used to test Asphalt in United States: astm-d1140, astm-d4052. Most frequently tested analytes in this matrix in United States: Density, Phosphorous. Accredited providers include Doha Technical, International Technical Laboratory Tabuk, AmSpec. Sites located in Mesaieed, Tabuk, Memphis, TN.
Accredited Labs
(A2LA Cert No. 5880.01) Revised 02/24/2026 Page 12 of 18 Test Method (s): Test Method (s): Test Method for Effects of Heat and Air on Asphaltic Materials (Thin - Film Oven test) ASTM D1754/D1754M Test Method for Solubility of Asphalt
(A2LA Cert. No. 7744.01) 11/03/2025 Page 2 of 3 Test Method: Test Description: Asphalt (continued): ASTM D2172/D2172M Quantitative Extraction of
(A2LA Cert. No. 4139.04) 09/24/2025 Page 4 of 5 TEST(s) TEST METHOD(s) Penetration of Bituminous Materials AASHTO T49; ASTM D5 Phosphorous in Gasoline ASTM D3231 Pour Point of Petroleum Products ASTM D97 Qualitative Anal
Top methods used to test Asphalt in United States
Top analytes for Asphalt in United States
- Density (1)
- Phosphorous (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.