Nearly 30 laboratories affiliated with quarrying operations have recently participated in the third round of a rocks proficiency testing program to assess the strengths and purities of construction materials.
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Fine aggregates put to the test: A proficiency program
More than 25 laboratories affiliated with quarrying operations have recently participated in the first round of a fine aggregates proficiency testing program to assess the strengths and purities of construction materials.
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Aggregate testing program keeps an eye on quality control
Proficiency testing is a means of determining the performance of individual laboratories for specific tests or measurement and an external audit of their quality control procedures.
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