Construction Materials

The A2LA Construction Materials Testing (CMT) field is designed to meet the needs of engineers and other users looking for competent testing of industry materials.

The scope of this field includes, but is not limited to the following, and applications for accreditation may be made for one or more tests in each area: 

  • Concrete 
  • Aggregates
  • Cement
  • Soils
  • Bituminous materials
  • Roofing materials
  • Masonry
  • Steel
  • Nondestructive tests as related to construction


Program Requirements

  • ISO/IEC 17025 General Requirements for the Competence of Testing and Calibration Laboratories
  • Optional ASTM Engineering Standards
    • C1077 - Laboratories Testing Concrete and Concrete Aggregates for Use in Construction and Criteria for Laboratory Evaluation
    • C1093 - Accreditation of Testing Agencies for Masonry
    • D3666 - Agencies Testing and Inspecting Road and Paving Materials
    • D3740 - Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction
    • E329 - Agencies Engaged in Construction Inspection and/or Testing
    • E543 - Agencies Performing Nondestructive Testing



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The following CMT subprogram has additional, specific requirements for accreditation. Click on the link to learn more: