Geosynthetic Accreditation Institute


ASTM D570
Standard Test Method for Water Absorption of Plastics


List of Accredited Laboratories:

  • Lab. #1 - TRI Environmental
  • Lab. #3 - Golder Associates
  • Lab. #4 - Geosynthetic Institute
  • Lab. #13 - TRI Environmental Inc. (Precision Geosynthetic Laboratories)
  • Lab. #29 - FITI
  • Lab. #38 - SAGEOS/CTT Group
  • Lab. #42 - NPUST (GSI-Taiwan)
  • Lab. #70 - RSA Geolab, LLC

[Method List]

[Laboratory List]