Geosynthetic Accreditation Institute

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ASTM D6567
Test Method for Measuring Light Penetration of Turf Reinforcement Mat (TRM)

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List of Accredited Laboratories:

• Lab. #1 - TRI Environmental Inc.
• Lab. #4 - Geosynthetic Institute
• Lab. #8 - Propex Operating Co. LLC (Performance Nonwovens Division)
• Lab. #9 - Lumite Inc.
• Lab. #38 - CCT Group (SAGEOS)
• Lab. #42 - NPUST (GSI-Taiwan)
• Lab. #57 - Ten Cate Geosynthetics (Cornelia Lab)
• Lab. #63 - TRI Environmental Inc. (TRI South Carolina)
• Lab. #75 - GEOMATRIX S.A.S.

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[Method List]

[Laboratory List]