Lab Inspection Fees

Fees for laboratory certification are assessed during the certification process, and must be paid in full before certification is granted. Payments may be made by credit card, check, or money order. For check or money order, make payable to:

  1. University of Arkansas - Laboratory Certification
  2. 700 W Research Center Blvd. #3515
  3. Fayetteville, AR 72701

Standard CTTP Laboratory Certification

  • Basic Inspection Fee
  • Additional Fee per Materials Area
    • Aggregate
    • Concrete
    • Hot Mix
    • Soil
  • Maximum Inspection Fee

Limited Lab Certification

  • Concrete
    • R60 (Sampling Concrete)
    • T23 (Cylinders)
    • T119 (Slump)
    • T152 (Air Content)
  • Soils
    • T310 (Nuclear Density)

Reciprocal Certification

  • Per Area


  • Single Test Additions to Existing Certifications (per method)
    • (Additional inspection fees may apply)
  • Re-Inspection Visit
    • (Only applicable if a second visit is required to complete the certification process)
  • Area Additions to Existing Certifications (per area)
    • (Additional inspection fees may apply)
  • Transfer of Lab Ownership or Location
  • Late Payment Fee (per offense)

Refunds may be issued, and will be processed via the same method as the original payment. Credit card refunds are typically processed in 3-5 business days.