Geosynthetic Accreditation Institute


ASTM D7004
Test Method for Grab Tensile Properties of Reinforced Geomembranes


List of Accredited Laboratories:

·         Lab. #1 - TRI Environmental, Inc.

·         Lab. #4 - Geosynthetic Institute

·         Lab. #13 - TRI Environmental Inc. (Precision Geosynthetic Laboratory)

·         Lab. #14 - Geotechnics Inc.

·         Lab. #20 - GeoTesting Express, Inc.

·         Lab. #38 - CTT Group (SAGEOS)

·         Lab. #59 - Firestone Building Products

·         Lab. #61 - Raven Industries Inc.

·         Lab. #70 - RSA Geolab, LLC

·         Lab. #75 - GEOMATRIX S.A.S.

·         Lab. #107 - TRI Australasia Pty Ltd


[Method List]

[Laboratory List]