ASTM D4546 Accredited Testing Labs in United States
12 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform ASTM D4546 testing. These labs commonly handle Soil matrices. Most frequently tested analytes via this method in United States: Moisture-Density Relations, Particle Size. From the accredited scope text: “ASTM D4546 One-Dimensional-Swell or Settlement Properties of Cohesive Soils ASTM D4718 Correction of Unit Weight and Water Content for Soils Containing Oversize Particles ASTM D4767 Consolidated Undra” “ASTM D4546 One-Dimensional Swell or Collapse of Cohesive Soils ASTM D4647 Identification and Classification of Dispersive Clay Soils by the Pinhole Test ASTM D4767 Consolidated Undrained Triaxial Comp” “ASTM D4546 One-dimensional Swell/Settlement Potential of Cohesive Soils ASTM D4959 Determination of Water (Moisture) Content of Soil by Direct Heating ASTM D6913/D6913M Particle-Size Distribution (Gra” “ASTM D4546 One-Dimensional Swell or Collapse of Soils ASTM D4643 Determination of Water (Moisture) Content of Soil by Microwave Oven Heating ASTM D4647D4647M Identification and Classification of Dispe”
This page is a fixed slice of the register: every ASTM D4546 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.