Geosynthetic Accreditation Institute


ASTM D6214
Test Method for Determining the Integrity of Field Seams Used in Joining Geomembranes by Chemical Fusion Methods


List of Accredited Laboratories:

  • Lab. #1 - TRI/Environmental, Inc.
  • Lab. #3 - Golder Associates
  • Lab. #4 - Geosynthetic Institute
  • Lab. #5 - NTH Consultants, Ltd.
  • Lab. #13 - Precision Geosynthetic Laboratories, CA
  • Lab. #14 - Geotechnics Inc.
  • Lab. #29 - FITI

[Method List]

[Laboratory List]

[GAI page]