Geosynthetic Accreditation Institute


GRI GM12
Asperity Measurement of Textured Geomembranes Using a Depth Gage


List of Accredited Laboratories:

  • Lab. #1 - TRI/Environmental
  • Lab. #4 - Geosynthetic Institute
  • Lab. #5 - NTH Consultants, Ltd.
  • Lab. #13 - Precision Geosynthetic Laboratories, CA
  • Lab. #14 - Geotechnics Inc.
  • Lab. #18 - Shaw Environmental & Infrastructure, Inc.
  • Lab. #20 - GeoTesting Express, Inc.
  • Lab. #34 - GSE Lining Technology, Inc. (Richey Road Lab)
  • Lab. #37 - GSE Chile
  • Lab. #38 - SAGEOS/CTT Group
  • Lab. #47 - Precision Geosynthetic Laboratories, TX
  • Lab. #51 - Solmax International Inc.
  • Lab. #53 - Industries Polytex Ltda. (Iquique Lab)
  • Lab. #55 - Atarfil Geomembranes S.L.
  • Lab. #56 - Industrial Polytex Ltda. (Santiago Lab)
  • Lab. #60 - Polytex S. A. (Lima Lab)

[Method List]

[Laboratory List]