Geosynthetic Accreditation Institute

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ASTM D1505
Test Method for Density of Plastics by the Density-Gradient Technique (08.01)

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List of Accredited Laboratories:

• Lab. #1 - TRI/Environmental
• Lab. #3 - Golder Associates
• Lab. #4 - Geosynthetic Institute
• Lab. #5 - NTH Consultants, Ltd.
• Lab. #13 - Precision Geosynthetic Laboratories, CA
• Lab. #14 - Geotechnics, Inc.
• Lab. #19 - HTS Inc., Consultants
• Lab. #20 - GeoTesting Express
• Lab. #29 - FITI
• Lab. #34 - GSE Lining Technology, Inc. (Richey Road Lab)
• Lab. #35 - GSE Lining Technology, Inc. (Hardy Street Lab)
• Lab. #40 - GSE Lining Technology, Inc. (Kingstree, SC)
• Lab. #47 - Precision Geosynthetic Labs, TX
• Lab. #48 - Tenax Corporation
• Lab. #49 - Engepol Geossinteticos Ltda.
• Lab. #50 - Advanced Drainage Systems Inc.
• Lab. #51 - Solmax International Inc.
• Lab. #54 - Hancor Inc.

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[Method List]

[Laboratory List]

[GAI page]