Geosynthetic Accreditation Institute

GeoTesting Express, Inc.
Attn: Gary Torosian
(978) 635-0424

List of Accredited Test Methods:

  • ASTM D374 - Thickness
  • ASTM D413 - Adhesion
  • ASTM D638 - GM Tensile
  • ASTM D751 - Thickness
  • ASTM D792 - Specific Gravity
  • ASTM D1004 - 90° Tear
  • ASTM D1204 - Dimensional Change
  • ASTM D1238 - Melt Flow
  • ASTM D1505 - Density
  • ASTM D1593 - PVC Thickness
  • ASTM D1603 - C.B. Content (Muffle)
  • ASTM D1777 - Textile Thickness
  • ASTM D3015 - C.B. Dispersion (Hot Plate)
  • ASTM D3776 - Mass/Unit Area
  • ASTM D3786 - Mullen Burst
  • ASTM D4437 - Field Peel and Shear
  • ASTM D4491 - Permittivity
  • ASTM D4533 - Trap. Tear
  • ASTM D4595 - Geotextile Wide Width
  • ASTM D4632 - Geotextile Grab
  • ASTM D4716 - Transmissivity
  • ASTM D4751 - A.O.S.
  • ASTM D4833 - Index Puncture
  • ASTM D4884 - GT Sewn Seam Strength
  • ASTM D4885 - Geomembrane Wide Width
  • ASTM D5199 - Thickness
  • ASTM D5261 - Mass/Unit Area
  • ASTM D5321 - Direct Shear
  • ASTM D5596 - C.B. Dispersion (Microtome)
  • ASTM D5887 - GCL Flux
  • ASTM D5890 - GCL Swell
  • ASTM D5891 - Fluid Loss
  • ASTM D5993 - GCL Mass Per Unit Area
  • ASTM D5994 - T-GM Core Thickness
  • ASTM D6140 - Asphalt Retention
  • ASTM D6243 - GCL Shear
  • ASTM D6392 - Thermo Fusion Peel & Shear
  • ASTM D6496 - GCL Peel
  • ASTM D6693 - GM Tensile
  • ASTM D6768 - GCL Tensile
  • ASTM D7005 - GC Bond Strength
  • FTM 101C - GM Puncture (2065)
  • GRI GG-2 - GG Junction Strength
  • GRI GC-7 - GC Adhesion
  • GRI GM12 - Asperity Height

[Method List]

[Laboratory List]

[GAI page]