Sampling & Reduction Test Methods v. 2026
Field Operating Procedures
Pub. Oct. 2025 (v. 2026)
AASHTO R 76
Reducing Samples of Aggregate to Testing Size
AASHTO R 66
Sampling Asphalt Materials
AASHTO R 97
Sampling Asphalt Mixtures
AASHTO R 47
Reducing Samples of Asphalt Mixtures to Testing Size