Geosynthetic Accreditation Institute

NPUST (GSI-Taiwan)
Attn:  Chiwan Wayne Hsieh
011-886-8-7740468

 

List of Accredited Test Methods:

  • ASTM D570 - Water Adsorption
  • ASTM D638 - Geomembrane Thickness
  • ASTM D792 - Specific Gravity
  • ASTM D882 - Strip Tensile
  • ASTM D1004 - 90° Tear
  • ASTM D1204 - Dimensional Change
  • ASTM D1603 - Carbon Black Content (Tube)
  • ASTM D1621 - Compressive Properties
  • ASTM D2122 - Physical Properties of GP
  • ASTM D2412 - Parallel Plate GP
  • ASTM D2444 - Tup Test GP
  • ASTM D3350 - Plastic Pipe Specification
  • ASTM D4355 - Xenon Arc
  • ASTM D4491 - Permittivity
  • ASTM D4533 - Trapezoidal Tear
  • ASTM D4595 - Geotextile Wide Width Tensile
  • ASTM D4632 - Geotextile Grab Tensile
  • ASTM D4716 - Transmissivity
  • ASTM D4751 - A.O.S.
  • ASTM D4833 - Index Puncture
  • ASTM D4884 - GT Sewn Seam
  • ASTM D5034 - Tensile Grab
  • ASTM D5035 - Textile Strip Tensile
  • ASTM D5199 - Thickness
  • ASTM D5261 - Geotextile Mass per Unit Area
  • ASTM D5262 - Tension Creep
  • ASTM D5321 - Direct Shear
  • ASTM D5322 - 9090 Immersion
  • ASTM D5818 - Installation Damage Sampling
  • ASTM D5887 - GCL Flux
  • ASTM D5970 - Geotextile Outdoor Exposure
  • ASTM D5994 - T-GM Core Thickness
  • ASTM D6241 - CBR Puncture
  • ASTM D6243 - GCL Direct Shear
  • ASTM D6364 - Compression Behavior of GS
  • ASTM D6392 - Thermo Shear and Peel
  • ASTM D6454 - Compression of TRMs
  • ASTM D6475 - ECB Mass
  • ASTM D6525 - EC Thickness
  • ASTM D6637 - Geogrid Tensile
  • ASTM D6638 - Geomembrane Tensile
  • ASTM D6693 - Geomembrane Tensile
  • ASTM D6706 - Pullout Resistance
  • ASTM D6992 - TTS via SIM
  • ASTM G151 - UV Exposure Std Practice
  • ASTM G154 - UV Fluorescent
  • ASTM G155 - Xenon Arc
  • GRI-GG1 - Geogrid Rib Strength
  • GRI-GG2 - Geogrid Junction Strength

[Method List]

[Laboratory List]

[GAI page]