Geosynthetic Accreditation Institute

---

ASTM D5887
Standard Test Method for Measurement of Index Flux Through Saturated Geosynthetic Clay Liner Specimens Using a Flexible Wall Permeameter, (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. #22 - Minerals Technologies Inc. - CETCO
• Lab. #24 - Minerals Technologies Inc. - CETCO (Lovell Lab)
• Lab. #26 - Agru America Inc.
• Lab. #29 - FITI (GSI-Korea)
• Lab. #38 - CTT Group (SAGEOS)
• Lab. #40 - Solmax Geosynthetics, LLC (Kingtree)
• Lab. #42 - NPUST (GSI-Taiwan)
• Lab. #46 - TAG Environmental Inc.
• Lab. #70 - RSA Geolab, LLC
• Lab. #79 - TRI Geosynthetic Testing & Services (Suzhou)
• Lab. #101 - Solmax Geosynthetics, LLC (Spearfish Lab)
• Lab. #107 - TRI Australasia Pty Ltd
• Lab. #110 - Geofabrics Australasia Pty. Ltd. (Australia)
• Lab #133 - APEC Industries Composite Polymeric Materials LLC
• Lab# 138 CETCO Technology Suzhou Co. Ltd.
• Lab #143 - Universidade Federal de Sao Carlos

---

[Method List]

[Laboratory List]