Geosynthetic Accreditation Institute


ASTM D5199
Test Method for Measuring Nominal Thickness of Geotextiles and Geomembranes (04.08)


List of Accredited Laboratories:

  • Lab. #1 - TRI Environmental Inc.
  • Lab. #3 - Golder Associates
  • Lab. #4 - Geosynthetic Institute
  • Lab. #8 - Propex Operating Co. LLC (Performance Nonwovens Division)
  • Lab. #9 - Lumite Inc.
  • Lab. #13 - TRI Environmental Inc. (Precision Geosynthetic Laboratory)
  • Lab. #14 - Geotechnics, Inc.
  • Lab. #20 - GeoTesting Express
  • Lab. #22 - Minerals Technologies Inc. (CETCO)
  • Lab. #24 - Minerals Technologies Inc. (CETCO Lovell Lab)
  • Lab. #25 - Ten Cate Inc. (Pendergrass Lab)
  • Lab. #26 - Agru America Inc. (Georgetown Lab)
  • Lab. #29 - FITI (GSI-Korea)
  • Lab. #31 - NYS DOT
  • Lab. #34 - GSE Environmental LLC (Houston)
  • Lab. #38 - CTT Group (SAGEOS)
  • Lab. #40 - GSE Environmental LLC (Kingstree, SC)
  • Lab. #41 - SGI Testing Services, LLC
  • Lab. #42 - NPUST (GSI-Taiwan)
  • Lab. #43 - Ardaman & Assoc.
  • Lab. #45 - Ten Cate Geosynthetics Sdn Bhd.
  • Lab. #49 - Engepol Geossinteticos Ltda.
  • Lab. #51 - Solmax International Inc. (Canada)
  • Lab. #53 - Polytex SA (Antofagasta)
  • Lab. #55 - Atarfil Geomembranes S.L.
  • Lab. #56 - Polytex SA (Santiago Lab)
  • Lab. #57 - Ten Cate Geosynthetics (Cornelia Lab)
  • Lab. #58 - Propex Fabric Inc. (Hazlehurst Lab)
  • Lab. #59 - Firestone Building Products
  • Lab. #60 - TDM Geosintéticos S.A.
  • Lab. #61 - Raven Industries Inc.
  • Lab. #62 - Solmax International Asia (Malaysia)
  • Lab. #64 - Agru America (NV)
  • Lab. #65 - Bombay Textile Research Assoc.
  • Lab. #66 - Rowad International Geosynthetics Co. Ltd.
  • Lab. #69 - GSE Lining Technology Co. (Thailand)
  • Lab. #70 - RSA Geolab, LLC
  • Lab. #71 - Plásticos Agrícolas y Geomembranas S.A.C.
  • Lab. #73 - Gia Loi Joint Stock Company
  • Lab. #74 - Agru America Inc. (Andrews, SC)
  • Lab. #75 - GEOMATRIX S.A.S.
  • 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. #80 - Texel Technical Materials, Inc.
  • Lab. #81 - GSE Lining Technology GmbH (Germany) - Solmax
  • Lab. #83 - GSE Lining Technology (Egypt) - Solmax
  • Lab. #84 - Ownes Corning
  • Lab. #85 - Plásticos Agrícolas y Geomembranas S.A.C. (PAG) - Peru
  • Lab. #86 - BOSTD Geosynthetics Qingdao Ltd.
  • Lab. #87 - Willacoochee Industrial Fabrids (Winfab)
  • Lab. #88 - Geosynthetic Testing Services Pvt. Ltd.
  • Lab. #89 - Megaplast India Pvt. Ltd.
  • Lab. #90 - Techfab (India) Industries LTd. (Daman)
  • Lab. #93 - Garware Technical Fibres
  • Lab. #95 - Mexichem Colombia S. A. S. (Pavco)
  • Lab. #97 - RUV SUD/PSB Pte Ltd.
  • Lab. #98 - NeoPlastic Filmes e Embalagens Plasticas Ltda.
  • Lab. #99 - Atarfil Middle East
  • Lab. #100 - Atarfil Geomembranes USA
  • Lab. #102 - SKAPS Industries
  • Lab. #103 - STRATA Geosystems Pvt Ltd. (India)

[Method List]

[Laboratory List]