Standard Recommended Practice for
Establishing and Implementing a Quality
Management System for Construction
Materials Testing Laboratories
AASHTO Designation: R 18-081
management system for use by a construction materials laboratory (CML). These criteria may also
1.1.This document contains criteria and guidelines for establishing and implementing a quality be used by laboratory-evaluating agencies.
1.2.The criteria in this document only apply to the following testing areas:
soil, aggregate, asphalt binder, cutback asphalt, emulsified asphalt, hot mix asphalt,
hydraulic cement, portland cement concrete, unit masonry, metals, and structural steel coatings.
2.1. AASHTO Standards:
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