Geosynthetic Accreditation Institute

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ASTM F2136
Standard Test Method for Notched, Constant Ligament-Stress (NCLS) Test to Determine Slow-Crack-Growth Resistance of HDPE Resins or HDPE Corrugated Pipe

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List of Accredited Laboratories:

• Lab. #1 - TRI Environmental Inc.
• Lab. #38 - CTT Group (SAGEOS)
• Lab. #50 - Advanced Drainage Systems

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[Method List]

[Laboratory List]