1. Soil Samples — Preparation for Characterization and Compaction Tests;ABNT NBR 6457,1986
2. Soil — Determination of the Liquid Limit;ABNT NBR 6459,1984
3. Soil Grains Passing the Sieve 4.8mm — Determination of Solids Density;ABNT NBR 6580,1984
4. Soil — Determination of Plastic Limit;ABNT NBR 7180,1984
5. Soil — Grain-size Distribution Analyses;ABNT NBR 7181,1984