Cement Concrete Reference Lab
100 Bureau Dr
Gaithersburg, MD 20899
The Cement and Concrete Reference Laboratory (CCRL), a division of ASTM International, focuses on improving the quality of testing in the construction materials industry. Through its Laboratory Inspection and Proficiency Sample Programs, CCRL provides essential guidance to help labs apply ASTM standards accurately and consistently.
CCRL's Laboratory Inspection Program ensures the reliability of testing equipment and personnel by conducting onsite inspections. Additionally, the Proficiency Sample Program evaluates lab performance, identifies issues, and monitors the quality of testing operations.
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