Geosynthetic Accreditation Institute


Arizona DOT
Attn: Oscar Mousaui
(602) 712-8200

 

List of Accredited Test Methods:

  • ASTM D4533 – Trapezoidal Tear
  • ASTM D4632 – GT Grab Tensile
  • ASTM D4833 – Index Puncture
  • ASTM D5199 – Thickness
  • ASTM D5261 – GT Mass/Unit Area

[Method List]

[Laboratory List]

[GAI page]