Professional Soils Laboratory

Enquiries call 01302 768098

Geotechnical Testing


Geotechnical laboratory testing or field testing of soil and rocks for the construction and environmental industries in the UK and wordwide.
Working with a network of accredited labs to offer an inclusive range of tests.


Download the PSL Testing Schedule Excel Schedule

Laboratory management and data efficiency at every stage
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Geotechnical Laboratory Testing

  • Moisture Content
  • Atterberg Limit
  • Particle Density
  • Particle Size Analysis
  • Sedimentation by pipette method
  • Sulphate & Ph (BRE and TRI Methods)
  • Organic/Loss on ignition
  • Choride
  • Soil Suction
  • 2.5Kg Compaction
  • 4.5Kg Compaction
  • Vibrating Hammer Compaction
  • Moisture Condition Value (MCV)
  • California Bearing Ratio (CBR)
  • 1 D Consolidation Properties
  • Unconsolidated Undrained Triaxial Testing
  • Permeability Testing
  • Shear Box Testing
  • Large Shear Box Testing
  • Ring Shear Testing
  • Effective Stress - Undrained and Drained Triaxial Testing (incl. Pore Water Pressure Measurement)
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Geotechnical field tests

Geotechnical Field Testing

  • Plate Bearing Tests
  • In-Situ California Bearing Ratio (CBR)
  • In-Situ Density Testing
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Rocks tests

Rock and Aggregate Testing

  • Uniaxial compressive strength and deformability
  • Indirect tensile strength & anisotropy indices
  • Water content, porosity and density
  • Slake durability index
  • Magnesium sulphate soundness
  • Direct shear strength
  • Point Load
  • Frost heave
  • LA / ACV / AIV
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Environmental & analytical tests

Environmental & Analytical Testing

  • Contaminated soil analysis
  • Ground water analysis
  • Effluent water analysis
  • Leachate analysis
  • Asbestos
  • Waste acceptance analysis
  • Compost analysis
  • Topsoil analysis
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PSL secure storage facility

Secure warehouse storage

Our local central Doncaster warehouse facility
provides 10,000 square feet of secure storage for
archived soil samples and related equipment.

Contact us for details