Geosynthetic Accreditation Institute

GeoSystems Consultants
Attn: Craig Calabria
(215) 654-9600

List of Accredited Test Methods:

  • ASTM D374 - Micrometer Thickness
  • ASTM D413 - Adhesion
  • ASTM D638 - Geomembrane Tensile
  • ASTM D751 - Thickness
  • ASTM D751 - Tongue Tear
  • ASTM D751 - Grab
  • ASTM D751 - Seam Strength
  • ASTM D792 - Specific Gravity
  • ASTM D882 - Strip Tensile
  • ASTM D1004 - 90° Tear
  • ASTM D1388 - Stiffness
  • ASTM D1593 - PVC Thickness
  • ASTM D1777 - Textile Thickness
  • ASTM D3083 - PVC Seams
  • ASTM D3776 - Mass/Unit Area
  • ASTM D4437 - Field Peel & Shear
  • ASTM D4533 - Trap. Tear
  • ASTM D4545 - Factory Peel & Shear
  • ASTM D4595 - Geotextile Wide Width Tensile
  • ASTM D4632 - Geotextile Grab
  • ASTM D4751 - A.O.S.
  • ASTM D4833 - Index Puncture
  • ASTM D4884 - Geotextile Sewn Seam
  • ASTM D4885 - Geomembrane Wide Width
  • ASTM D5199 - Thickness
  • ASTM D5261 - Mass/Unit Area
  • ASTM D5321 - Direct Shear
  • ASTM D5323 - 2% Secant Modulus
  • ASTM D5617 - 3-D Multiaxial
  • FTM 101C - GM Puncture (2065)

[Method List]

[Laboratory List]

[GAI page]