The (now primarily managed under the AASHTO re:source program) serves as the primary framework for construction materials testing laboratories to establish operational consistency and technical accuracy. It is largely governed by the AASHTO R 18 standard, which outlines the essential management and technical requirements for accreditation. Core Components of the QMS Manual
: Documentation of the laboratory’s legal name, ownership, and an organization chart that clearly defines roles and responsibilities.
A standard manual following AASHTO R 18 guidelines is typically divided into two main categories: and Technical Requirements .