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J&T Materials Testing


Lynn Tuttle is the Materials Testing Lab Manager. A qualified staff of technicians work with Lynn to provide the best service possible. 

Certifications/Qualifications include:

  • AASHTO Accreditation Program
  • American Concrete Institute
  • Nuclear Gauge Certified
  • Asphalt ASTT
  • Concrete CTT
  • ACI Strength Testing
  • Embankment/Den EBTT/DTT
  • Hazmat Certification
  • BSI Certified Installer


Johansen & Tuttle Engineering
90 South 100 East
Castle Dale, Utah 84513
(435) 381-2523