Geosynthetic Accreditation Institute

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ASTM D2122
Standard Test Method for Determining Dimensions of Thermoplastic Pipe and Fittings

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List of Accredited Laboratories:

• Lab. #1 - TRI/Environmental, Inc.
• Lab. #50 - Advanced Drainage Systems
• Lab. #54 - Hancor Inc.

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[Method List]

[Laboratory List]