Geosynthetic
Institute
Attn: George Koerner
(610) 522-8440
List of Accredited Test Methods:
- ASTM D374 - Micrometer Thickness
- ASTM D413 - Adhesion
- ASTM D471 - Effect of Liquids
- ASTM D570 - Water Adsorption
- ASTM D638 - Geomembrane Tensile
- ASTM D751 - Thickness
- ASTM D751 - Mass/Unit Area
- ASTM D751 - Tongue Tear
- ASTM D751 - Grab
- ASTM D751 - Seam Strength
- ASTM D792 - Specific Gravity
- ASTM D882 - Strip Tensile
- ASTM D1004 - 90° Tear
- ASTM D1203 - Volatile Loss
- ASTM D1204 - Dimensional Change
- ASTM D1238 - Melt Flow
- ASTM D1388 - Stiffness
- ASTM D1505 - Density Gradient
- ASTM D1593 - PVC Thickness
- ASTM D1621 - Core Compression
- ASTM D1693 - S. C. Bent Strip
- ASTM D1777 - Textile Thickness
- ASTM D1987 - Biological Clogging
- ASTM D2240 - Durometer
- ASTM D3015 - C.B. Dispersion
- ASTM D3030 - Volatile Matter
- ASTM D3083 - Soil Burial
- ASTM D3083 - Water Extraction
- ASTM D3083 - Seam Strength
- ASTM D3776 - Mass/Unit Area
- ASTM D3786 - Mullen Burst
- ASTM D3895 - OIT By DSC
- ASTM D4218 - C. B. Content (Muffle)
- ASTM D4437 - Field Peel & Shear
- ASTM D4491 - Permittivity
- ASTM D4533 - Trap Tear
- ASTM D4545 - Factory Peel & Shear
- ASTM D4594 - GT Temp. Stability
- ASTM D4595 - Geotextile Wide Width
- ASTM D4632 - Geotextile Grab
- ASTM D4716 - Transmissivity
- ASTM D4751 - A.O.S.
- ASTM D4833 - Index Puncture
- ASTM D4884 - Geotextile Sewn Seam
- ASTM D4885 - Geomembrane Wide Width
- ASTM D5035 - Textile Strip
- ASTM D5101 - Gradient Ratio
- ASTM D5199 - Thickness
- ASTM D5261 - Mass/Unit Area
- ASTM D5321 - Direct Shear
- ASTM D5323 - 2% Secant Modulus
- ASTM D5397 - NCTL Test for Stress Cracking
- ASTM D5493 - Permeability Under Load
- ASTM D5494 - Pyramid Puncture
- ASTM D5514 - Hydrostatic Puncture
- ASTM D5596 - C. B. Disp. Microtome
- ASTM D5721 - Oven Age
- ASTM D5818 - Installation Damage Sampling
- ASTM D5884 - R-GM Tear
- ASTM D5885 - H. P. OIT
- ASTM D5887 - GCL Flux
- ASTM D5890 - GCL Swell
- ASTM D5891 - GCL Fluid Loss
- ASTM D5970 - Outdoor Exposure
- ASTM D5993 - GCL Mass
- ASTM D5994 - T-GM Core Thick
- ASTM D6140 - Asphalt Retention
- ASTM D6241 - CBR Puncture
- ASTM D6243 - GCL Direct Shear
- ASTM D6364 - GS Compression
- ASTM D6392 - PE Peel & Shear
- ASTM D6454 - TRM Compression
- ASTM D6475 - ECB Mass
- ASTM D6496 - GCL Peel
- ASTM D6524 - TRM Resiliency
- ASTM D6525 - EC Thickness
- ASTM D6566 - TRM Mass/Unit Area
- ASTM D6567 - TRM Light Penetration
- ASTM D6575 - TRM Stiffness
- ASTM D6636 - Ply Adhesion
- ASTM D6637 - Geogrid Tensile
- ASTM D6638 - Connection Strength
- ASTM D6693 - fPP Tensile
- ASTM D6706 - Pullout
- ASTM D6766 - GCL Flux with non water
- ASTM D6768 - GCL Tensile
- ASTM D6818 - TRM Tensile
- ASTM D6992 - TTS via SIM
- ASTM D7003 - R-GM Strip Tensile
- ASTM D7004 - R-GM Grab Tensile
- ASTM D7005 - Ply Adhesion
- ASTM E96 - WVT
- ASTM F904 - Ply Bond Strength
- ASTM G154 - UV Fluorescent
- FTM 101C - Geomembrane Puncture (2065)
- GRI-GG1 - GG Rib Strength
- GRI- GG2 - GG Junction Strength
- GRI-GM11 - GM QUV
- GRI-GM12 - Asperity Strength
- GRI-GC7 - GC Adhesion
- GRI-GS7 - Index Friction
- ISO 527 - GM Tensile
- ISO 9863 - Thickness
- ISO 9864 - Mass/Unit Area
- ISO 10319 - Wide Width Tensile
- ISO 10321 - Seam Strength
- ISO 10722 - Installation Damage
- ISO 11058 - Permittivity
- ISO 11357 - DSC Melt
- ISO 11358 - CB via TGA
- ISO 11359 - DSC Glass Transition Temperature
- 1ISO 11420 - CB Dispersion
- ISO 12236 - CBR Puncture
- ISO 12957 - Coefficient of Friction
- ISO 12958 - Transmissivity
- ISO 13431 - Tensile Creep
- ISO 13438 - Oxidation Stability
- ISO 13439 - Hydrolysis Resistance