Proficiency Sample Instructions

Asphalt Samples [PDF-220 KB]

Coarse Aggregate Proficiency Samples [PDF-163  KB]

Concrete Laboratory Samples [PDF-184  KB]

Concrete Field Samples [PDF-136  KB]

Fine Aggregate Samples [PDF-161 KB]

LBR Samples [PDF-134  KB]

Soil Classification Proficiency Samples [PDF-118  KB]

Standard Proctor Samples [PDF-131  KB]