Geosynthetic Accreditation Institute


ASTM D6525
Test Method for Measuring Nominal Thickness of Permanent Erosion Control Products [04.09]


List of Accredited Laboratories:

  • Lab. #1 - TRI/Environmental
  • Lab. #4 - Geosynthetic Institute
  • Lab. #13 - Precision Geosynthetic Labs, CA

[Method List]

[Laboratory List]

[GAI page]