AASHTO R 25 : 2019
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Standard Practice for Technician Training and Certification Programs
Hardcopy , PDF
02-01-2023
English
16-04-2019
This document provides a guideline for establishing evaluation and certification procedures for personnel engaged in sampling and testing of soils, aggregates, asphalt mixture, and portland cement concrete in accordance with AASHTO test methods.
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