WRECO is excited to announce that our Materials Testing Laboratory has received its Caltrans certification for California Tests 125AGG, 201, 202, 204, 217, and 226. This certification follows our accreditation by the American Association of State Highway & Transportation Officials (AASHTO). WRECO's Materials Testing Laboratory adheres to a rigorous quality control process and follows the current methods of AASHTO and Caltrans. We also participate in AASHTO's bi-annual Materials Reference Laboratory Proficiency Sample Program, as well as Caltrans' Reference Sample Program. WRECO's Materials Testing Laboratory is located at our Roseville office in Placer County, California. For more information on WRECO's Materials Testing Laboratory, please contact our Laboratory Director at firstname.lastname@example.org.