Geosynthetic Accreditation Institute


ASTM D5596
Test Methods for Microscopic Evaluation of the Dispersion of Carbon Black in Polyolefin Geosynthetics (04.09)


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 (Houston Lab)
  • Lab. #38 - CTT Group (SAGEOS)
  • Lab. #49 - Engepol Geossinteticos Ltda.
  • Lab. #51 - Solmax International Inc. (Canada)
  • Lab. #53 - Polytex SA. (Antogahasta Lab)
  • Lab. #60 - TDM Geosintéticos S.A.
  • Lab. #61 - Raven Industries Inc.
  • Lab. #62 - Solmax International Asia (Malaysia)
  • Lab. #64 - Agru America (NV)
  • Lab. #66 - Rowad International Geosynthetics Co. Ltd.
  • Lab. #69 - GSE Lining Technology - SOLMAX (Thailand)
  • Lab. #70 - RSA Geolab, LLC
  • Lab. #71 - Plásticos Agrícolas y Geomembranas S.A.C. - Peru
  • 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 - Solmax - GSE Lining Technology GmbH - Germany
  • Lab. #85 - Plásticos Agrícolas y Geomembranas SAC (PAG) - Peru
  • Lab. #89 - Megaplast India Pvt. Ltd.
  • Lab. #102 - SKAPS Industries

[Method List]

[Laboratory List]