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. #13 - TRI Environmental Inc. (Precision Geosynthetic Laboratory)
  • Lab. #14 - Geotechnics Inc.
  • Lab. #20 - GeoTesting Express, Inc.
  • Lab. #29 - FITI (GSI-Korea)

[Method List]

[Laboratory List]