LABORATORY ACCREDITATIONS
A.A.S.H.T.O. Materials Reference Laboratory
Most Recent Inspection: July 15 & 16, 2008
Accredited Since: December 1, 1990
Bituminous Concrete & Aggregate
Portland Cement Concrete & Aggregate
Soils
C.C.R.L. Cement and Concrete Reference Laboratory
Most Recent Inspection: March 5 & 6, 2009
Accredited Since: December 1, 1990
Portland Cement Concrete & Aggregate
NOTE: To achieve accreditation from the above organizations a laboratory must participate in an annual sample Proficiency Program and maintain specified performance standards.
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