Geosynthetic Accreditation Institute


ASTM D7748
Standard Test Method for Flexural Rigidity of Geogrids, Geotextiles and Related Products


List of Accredited Laboratories:

·        Lab. #1 - TRI/Environmental, Inc.

·         Lab. #38 - CTT Group (SAGEOS)

·         Lab. #72 - Tensar Corporation, LLC

·         Lab. #75 - GEOMATRIX S.A.S.

·         Lab. #86 - BOSTD Geosynthetics Qingdao Ltd.

·         Lab # 137 CMC Blackwell


[Method List]

[Laboratory List]