AASHTO R 25-18
AASHTO R 25-18 Standard Practice for Technician Training and Qualification Programs
standard by American Association of State and Highway Transportation Officials, 2018
Full Description
AASHTO R 25-18 provides a guideline for establishing evaluation and qualification procedures for personnel engaged in sampling and testing of soils, aggregates, hot-mix asphalt, and portland cement concrete in accordance with AASHTO test methods. The guideline is intended for use by organizations providing qualification of sampling and testing technicians at the basic testing level for acceptance of materials and independent assurance testing.Cart
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