National Ready Mixed Concrete Association
College Park,
Maryland
View Accreditation Certificate
Stuart
Sherman
5600 Branchville Road
College Park
,
Maryland
20740
Phone: (703) 706-4873
Fax:
ssherman@nrmca.org
http://www.nrmca.org/association-resources/research-and-engineering/research-laborator
Quality Management System - accredited since 9/1/1997
R18, C1077 (Aggregate), C1077 (Concrete)
Aggregate - accredited since 9/1/1997
C40, C117, C127, C128, C136, C566, C702
Concrete - accredited since 9/1/1997
C31 (Cylinders), C39, C138, C143, C157, C172, C173, C192, C231, C305, C511, C617 (6000 psi and below), C1064, C1231 (7000 psi and below), C1260, C1293, C1567
Please note that our accreditations do not include an expiration date. An accreditation only expires when the laboratory fails to comply with our accreditation requirements.
* This information is only valid as of 10/27/2026. Please visit https://aashtoresource.org for current accreditation status.
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