Geosynthetic Accreditation Institute

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ASTM D6475
Test Method for Measuring Mass Per Unit Area of Erosion Control Blankets

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List of Accredited Laboratories:

• Lab. #1 - TRI Environmental Inc.
• Lab. #4 - Geosynthetic Institute
• Lab. #9 - Lumite Inc.
• Lab. #13 - TRI Environmental Inc. (Precision Geosynthetic Laboratory)
• Lab. #38 - CTT Group (SAGEOS)
• Lab. #42 - NPUST (GSI-Taiwan)
• Lab. #63 - TRI Environmental Inc. (TRI South Carolina)
• Lab. #75 - GEOMATRIX S.A.S.
• Lab. #120 Gold-Joint Testing Technology – Ace Geosynthetics

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[Method List]

[Laboratory List]