Certified in the following testing methods:
- Soil Proctor Tests
- Field Density Tests - Sand Cone, Drive Cylinder and Nuclear
- Consolidation Tests
- Unconfined Compression Tests
- Atterberg Limits
- Mechanical and Grain Size Analysis
- Level III Soil Surveys
- Plate Load Tests
- Percolation Tests (Modified Taft Procedure)
- California Bearing Ratio Tests
- Specific Gravity
- Soil-Cement Design and Tests
ASTM Qualified Test Methods:
• D421 Practice for Dry Preparation of Soil Samples for Particle-Size Analysis and Determination of Soil Constants
• D422 Test Method for Particle-Size Analysis of Soils
• D698 Test Methods for Laboratory Compaction Characteristics of Soil Using Standard Effort
• D1140 Test Methods for Amount of Material in Soils Finer than No. 200 (75-µm) Sieve
• D1556 Test Method for Density and Unit Weight of Soil in Place by Sand-Cone Method
• D1557 Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort
• D1883 Test Method for CBR (California Bearing Ratio) of Laboratory-Compacted Soils
• D2216 Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass
• D2419 Test Method for Sand Equivalent Value of Soils and Fine Aggregate
• D2487 Practice for Classification of Soils for Engineering Purposes
• D2488 Practice for Description and Identification of Soils
• D4318 Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils
• D6938 Test Method for In-Place Density and Water Content of Soil and Soil-Aggregate by Nuclear Methods
