LAB ACCREDITATION

Having your construction materials testing laboratory accredited through the CMEC Accreditation Program not only opens doors to more business, it also ensures your laboratory’s quality management system is functioning properly and that your test results are being achieved to the highest standards in the industry.

NACLA Laboratory Accreditation

CMEC Receives NACLA Recognition


National Cooperation for Laboratory Accreditation (NACLA) awarded its Construction Materials Testing (CMET) recognition to CMEC, Inc.

NACLA’s CMET recognition satisfies the Federal Highway Administration (FHWA) regulation, “Quality Assurance Procedures for Construction” 23 CFR 637 paragraphs 637.209 (a) (2), (3), and (4). This recognition shows CMEC’s commitment to providing quality lab accreditation services to construction materials testing laboratories.

Laboratory Accreditation Programs

CMEC provides laboratory assessments, quality management system evaluations and proficiency testing samples for various construction material testing laboratories seeking AASHTO R18, ASTM E329, ISO 17025, ISO 17020 accreditation and more.

Preparing for Your Assessment

Are you preparing to have your construction materials testing laboratory accredited? Take a look at our guidelines for obtaining accreditation and meeting with your Accreditation Body for the first time.

Proficiency Samples

All laboratories accredited through the CMEC Accreditation Program are required to take part in proficiency testing. You may enter results or view sample proficiency test results for CMEC and other programs. To order proficiency samples, download our application.

Laboratory Accreditation Process

Free E-Book: Understanding the Laboratory Accreditation Process


For more than 30 years, CMEC, Inc. has offered construction materials testing laboratories the CMEC Accreditation Program. Our mission is to help improve the production, inspection and testing of various construction materials, and we’re dedicated to continuing to perfect our processes. Learn more about the CMEC Accreditation Program and our accreditation process in our free e-book.

Read the CMEC Blog Now


CMEC has become the go-to Accreditation Body for construction materials testing, providing AASHTO R18 accreditation, ISO 17205 accreditation and other accreditations to laboratories that test materials such as aggregate, concrete, masonry, soils, asphalt binder, hot mix asphalt and other specialty materials.

Looking for more information about the CMEC Accreditation Program? Take a look at our blog which is filled with detailed information about the on-site assessment process, AASHTO R18 and more.

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