Geosynthetic Accreditation Institute


ASTM D6392
Standard Test Method for Determining the Integrity of Nonreinforced Geomembrane Seam Produced Using Thermo-Fusion Method [0.09]


List of Accredited Laboratories:

  • Lab. #1 - TRI/Environmental
  • Lab. #3 - Golder Associates
  • Lab. #4 - Geosynthetic Institute
  • Lab. #5 - NTH Consultants, Ltd.
  • Lab. #13 - Precision Geosynthetics Labs, CA
  • Lab. #14 - Geotechnics Inc.
  • Lab. #18 - Shaw Environmental & Infrastructure, Inc.
  • Lab. #20 - GeoTesting Express, Inc.
  • Lab. #29 - FITI
  • Lab. #34 - GSE Lining Technology, Inc. (Richey Road Lab)
  • Lab. #38 - SAGEOS/CTT Group
  • Lab. #42 - NPUST (GSI-Taiwan)
  • Lab. #43 - Ardaman & Associates Inc.
  • Lab. #47 - Precision Geosynthetic Labs, TX
  • Lab. #49 - Engepol Geossinteticos Ltda.

Method List]

[Laboratory List]

[GAI page]