Geosynthetic Accreditation Institute


ASTM D5994
Test Method for Measuring the Core Thickness of Textured Geomembranes, (04.08)


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
  • Lab. #26 - Agru America Inc. (Georgetown Lab)
  • Lab. #29 - FITI (GSI-Korea)
  • Lab. #34 - GSE Environmental LLC - Solmax (Houston)
  • Lab. #38 - CTT Group (SAGEOS)
  • Lab. #42 - NPUST (GSI-Taiwan)
  • Lab. #43 - Ardaman & Associates
  • Lab. #49- Engepol Geossinteticos Ltda.
  • Lab. #51 - Solmax International Inc. (Canada)
  • Lab. #53 - Polytex SA (Antofagasta Lab)
  • Lab. #55 - Atarfil Geomembranes S.L.
  • Lab. #56 - Polytex SA (Santiago Lab)
  • Lab. #60 - TDM Geosintéticos S.A.
  • Lab. #61 - Raven Industries Inc.
  • Lab. #62 - Solmax International Asia Pacific Sdn. Bhd.
  • Lab. #64 - Agru America (NV)
  • Lab. #66 - Rowad International Geosynthetic Co. Ltd.
  • Lab. #69 - GSE Lining Technology (Thailand)
  • Lab. #70 - RSA Geolab, LLC
  • Lab. #71 - Plásticos Agrícolas y Geomembranas S.A.C.
  • Lab. #76 - TEHMCO S.A.
  • Lab. #78 - Plásticos Agrícolas y Geomembranas de Mexico S.A. de C. V. (PQA)
  • Lab. #79 - TRI Geosynthetic Testing & Services (Suzhou)
  • Lab. #81 - GSE Lining Technology GmbH - Solmax - Germany
  • Lab. #83 - GSE Lining Technology - Solmax - Egypt
  • Lab. #85 - Plásticos Agrícolas y Geomembranas S.A.C. (PAG) - Peru
  • Lab. #89 - Megaplast India Pvt. Ltd.
  • Lab. #98 - NeoPastic Filmes e Embalagens Plasticas Ltda.
  • Lab. #99 - Atarfil Middle East
  • Lab. #100 - Atarfil Geomembranes USA
  • Lab. #102 - SKAPS Industries

[Method List]

[Laboratory List]