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Soils Laboratory

Soils Tests

  • Visual Identification - ASTM D2488 and AASHTO T190
  • Moisture Content - ASTM D2216 and AASHTO T265
  • Particle Size Analysis - ASTM D422 and AASHTO T88
  • Percent Fines - ASTM D1140
  • Liquid Limit - ASTM D4318 and AASHTO T89
  • Plastic Limit ASTM D4318 and AASHTO T89
  • Specific Gravity - ASTM D422 and AASHTO T100
  • USCS Classification of Soils - ASTM D2487

Compaction Tests

  • Standard Compaction - ASTM D698 and AASHTO T99
  • Modified Compaction - ASTM E1557 and AASHTO T180

Strength Tests

  • California Bearing Ratio - ASTM I883 and AASHTO T193

Chemical Tests

  • pH of Soils - ASTM 4972 and AASHTO T289
  • Minimum Resistivity - AASHTO T288
  • Sulfate Content - CalDOT 417
  • Chloride Content - CalDOT 422

Providing Quality Results and Products and Immediate Response to our Clients. Our knowledgeable, professional personnel have experience with federal, state, county, township, and municipal government entities, as well as engineering firms, private industry, transportation agencies, and other businesses. We administer drilling contracts to provide subsurface design information, compose engineering and geological reports, and provide an array of specialized geotechnical services.

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