Data Testing

Data Testing, Inc.
3434 Country Club Ave
Fort Smith, AR 72903
(479) 649-8378
Data Testing, Inc. has been specializing in the analysis of soils, concrete, asphalt, water, and wastewater since 1959, when we first opened our doors under the name of Fort Smith Testing Company. In the early 1970’s, we began water and wastewater analysis in accordance with NPDES permits.  Over the years, our commercial testing laboratory has served municipal, industrial and private enterprise clients throughout eastern Oklahoma and most parts of the State of Arkansas.  Whether your project is large or small, for results you can count on, turn to the company that has a long-standing reputation for consistent quality of testing services.
Construction Materials


  • Field Densities
    • Using Nuclear Density Gauge, Sand-Cone, Washington Densometer
  • Permeability Tests
    • Multiple Cell Testing Capability
  • Triaxial
    • Consolidated Drained
    • Consolidated Undrained
    • Pore Pressure Measurement Capability
    • Triaxial /Permeability Panel
  • California Bearing Ratio (CBR)
    • Field and Lab
  • Atterberg Limits
  • Moisture Density
  • Gradations
    • Sieve Analysis


  • Concrete Mix Design
  • Concrete
    • Field, Air, Slump, Unit Weight, Cylinders, Beams
  • Concrete Breaks
    • Flexure or Compression


  • Asphalt Mix Design
  • Extractions
  • Specific Gravity
  • Density
  • Soils Investigations
    • Mobile drill or Auger drill
  • Standard Penetration Tests
  • Shelby Tubes
  • NX Coring
    • Rock, wire line system
Water & Wastewater Sample Collections

  • Grab
  • 24-Hour Composite
    • ISCO Samplers
  • Monitoring Well Samples
NPDES Parameter Testing


  • Oil & Grease
  • Phenols


  • B.O.D.
  • C.O.D.
  • Nutrients
  • Minerals
  • Nitrogens
  • Residue
  • pH
  • Coliforms – (Fecal and Total)


  • Analyzed
    • Using Atomic Absorption-Thermo Jarrell Ash Video 11E Spectrophotometer or CTF 188 Atomizer

Sludge Analysis

  • Toxicity Characteristic Leachate Procedure (TCLP)
  • Nitrogen
  • Phosphorous
  • Potassium
  • Metals