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
• Lab. #4 - Geosynthetic Institute
• Lab. #8 - SI Geosolutions (Performance Nonwovens Div.)
• Lab. #13 - Precision Geosynthetic Labs, CA

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[Method List]

[Laboratory List]

[GAI page]