Carlson Testing Inc
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Earthwork Services
Carlson Testing, Inc. provides complete laboratory services for all types of earthwork projects. Our laboratory and field staff hold multiple certifications including CDT, CagT, CEBT and Radiation Safety. Carlson Testing has successfully completed projects including earthen dams, airports, highways, complex multi-level building, commercial construction and residential lots.
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Services
Soil Sampling and Testing
- Optimum Moisture / Maximum Density Determinations
- ASTM D698 (Standard)
- ASTM D1557 (Modified)
- AASHTO T-99 (Standard)
- AASHTO T-180 (Modified)
- Harvard Miniature (OSHD TM 104 / 106)
- California Bearing Ratio (CBR)
- Undisturbed
- In-Lab (Remolded)
- Field (In-place)
- Dynamic Cone Penetrometer (DCP)
- Particle Size Analysis
- Dry Sieve
- Wet Sieve
- Hydrometer Analysis
- Specific Gravity & Absorption
- Coarse Aggregate
- Fine Aggregate
- Soils
- Sand Equivalent (AASHTO T176)
- Unit Weight of Agg. (ASTM C29)
- Plasticity Index (PL, LL, PI)
- R-Value
- Sand Cone Moisture / Density
- Aggregate Durability
- Los Angeles Abrasion
- Sulfate Soundness
- Oregon Air Degradation
- DMSO
- Durability Index
Process Quality Control Testing
- Control / Sieve Analysis
- Sand Equivalent
- Elongated Particles
- Dust & Clay Coating
- Wood Particles
- Aggregate Fracture
- Cleanliness Value
- Friable Particles
Laboratory Certifications
- National Laboratory Accreditation (A2LA)
- Oregon Department of Transportation (ODOT)
- US Army Corps of Engineers