ASTM-D7407 › Standard Guide for Determining The Transmission of Gases Through Geomembranes
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This guide discusses the relevancy of applicable test methods, including the materials and conditions involved, in obtaining the vapor transmission in geomembranes. This guide does not purport to critique barrier system permeability, nor does it address transmission through seams. The guide assumes the material being examined exhibits Fickian diffusion behavior. The tests discussed here evaluate gas and vapor transfer through semi-permeable and permeable geomembranes. The data is important for design of containment systems.
Scope
1.1 This guide is used as a discussion of the relevancy of several methods to obtain the vapor transmission of geomembranes.
1.2 This guide discusses applicable test methods, test materials and conditions.
1.3 The guide assumes the material being measured exhibits Fickian behavior.
1.4 This guide does not purport to critique barrier system permeability,
1.5 The guide does not address transmission through seams,
1.6 This standard does not purport to address all of the safety problems, if any associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Keywords
diffusion; geomembrane; film; permeability; permeance; sheet; transmission; ICS Number Code 59.080.70 (Geotextiles)
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59.080.70 (Geotextiles Including geosynthetics)
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Document Number
ASTM-D7407-07R20
Revision Level
2007 R20 EDITION
Status
Current
Modification Type
New
Publication Date
May 11, 2020
Document Type
Guide
Page Count
4 pages
Committee Number
D35.10