Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM D7002-03

Standard Practice for Leak Location on Exposed Geomembranes Using the Water Puddle System

Standard Practice for Leak Location on Exposed Geomembranes Using the Water Puddle System D7002-03 ASTM|D7002-03|en-US Standard Practice for Leak Location on Exposed Geomembranes Using the Water Puddle System Standard new BOS Vol. 04.13 Committee D35
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Significance and Use

Geomembranes are used as barriers to prevent liquids from leaking from landfills, ponds, and other containments. For this purpose, it is desirable that the geomembrane have as little leakage as practical.

The liquids may contain contaminants that if released can cause damage to the environment. Leaking liquids can erode the subgrade, causing further damage. Leakage can result in product loss or otherwise prevent the installation from performing its intended containment purpose.

Geomembranes are often assembled in the field, either by unrolling and welding panels of the geomembrane material together in the field, or unfolding flexible geomembranes in the field.

Geomembrane leaks can be caused by poor quality of the subgrade, poor quality of the material placed on the geomembrane, accidents, poor workmanship, and carelessness.

Electrical leak location methods are an effective quality assurance measure to locate previously undetected or missed leaks and check the integrity of a liner.

Scope

1.1 This standard is a performance-based practice for electrical methods for detecting leaks in exposed geomembranes. For clarity, this document uses the term "leak" to mean holes, punctures, tears, knife cuts, seam defects, cracks and similar breaches in an installed geomembrane (as defined in 3.1.5).

1.2 This standard can be used for geomembranes installed in basins, ponds, tanks, ore and waste pads, landfill cells, landfill caps, canals and other containment facilities. It is applicable for geomembranes made of materials such as polyethylene, polypropylene, polyvinyl chloride, chlorosulfonated polyethylene, bituminous geomembrane, and any other electrically-insulating materials.

1.3 This standard does not purport to address all of the safety concerns, 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.

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Details
Book of Standards Volume: 04.13
Developed by Subcommittee: D35.10
Pages: 6
DOI: 10.1520/D7002-03
ICS Code: 59.080.70