CMEC is a nationally recognized accreditation organization. Laboratories that are located outside of the 48 contiguous United States should contact CMEC directly for special application processing.
CMEC provides laboratory assessments, quality system evaluations, and proficiency testing samples for laboratories testing concrete, aggregate, masonry, soils, cement, and asphalt. Click on the links below for more information on each type of CMEC Accreditation.

Concrete                   Aggregate

Asphalt Binder                Soils

Cement                       Masonry

Hot Mix Asphalt

CMEC accreditation requires a laboratory to comply with the requirements of:
 
AASHTO R18 - "Recommended Practice for Establishing and Implementing a Quality System for Construction Materials Testing Laboratories.”
 
Click on the following links to learn more about obtaining CMEC Accreditation.

Accreditation Overview

Accreditation Criteria

Accreditation Guidelines

Search the CMEC Database of Accredited Laboratories to see if the lab you are interested in is Accredited, or to find an Accredited Lab in your area.

SEARCH DATABASE

Applications and Quality Documents

Application for Inspection and Accreditation (Online)

Quality Management System Guideline (PDF)

Application For Laboratory Inspection And Accreditation (PDF)

CMEC Laboratory Accreditation Procedure Manual