The certification process includes classroom lecture followed by written examination and performance demonstrations. This course covers the following test methods: AASHTO T2/ASTM D75 Sampling of Aggregates; AASHTO T248/ASTM C702 Reducing Samples of Aggregate to Testing Size; AASHTO T11/ASTM C117 Materials Finer Than No. 200 by Washing; AASHTO T27/ASTM C136 Sieve Analysis of Fine and Course Aggregates; AASHTO T255/ASTM C566 Total Moisture Content of Aggregates by Drying; MoDOT TM71 Deleterious Content of Aggregate; ASTM D4791 Flat Particles, Elongated Particles, or Flat & Elongated Particles in Course Aggregates.
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