ASTM D4972 Accredited Testing Labs in United States
11 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform ASTM D4972 testing. Most frequently tested analytes via this method in United States: Ph. From the accredited scope text: “ASTM D4972 pH of Soils ASTM D6913/D6913M Standard Test Methods for Particle-Size Distribution (Gradation) of Soils Using Sieve Analysis ASTM D6938 In-Place Density and Water Content of Soil and Soil-A” “ASTM D4972 pH of Soils ASTM D5084 Measurement of Hydraulic Conductivity of Saturated Porous Materials Using a Flexible Wall Permeameter ASTM D5334 Thermal Conductivity of Soil and Soft Rock by Thermal” “ASTM D4972 pH of Soils ASTM D5550 Standard Test Method for Specific Gravity of Soil Solids by Gas Pycnometer ASTM D6928 Standard Test Method for Resistance of Coarse Aggregate to Degradation by Abrasi” “ASTM D4972 pH of Soils ASTM D69381 In-Place Density and Water Content of Soil and Soil-Aggregate by Nuclear Methods (Shallow Depth) ASTM D7928 Particle-Size Distribution (Gradation) of Fine-Grained So”
This page is a fixed slice of the register: every ASTM D4972 scope we hold for United States. Search narrows it further by city, accreditation body, or a term from the scope text itself.
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.