API PUBL 328-1995

$26.65

Laboratory Evaluation of Candidate Liners for Secondary Containment of Petroleum Products

Published By	Publication Date	Number of Pages
API	1995	143

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Description

An earlier investigation of tankfield dike lining geosynthetic materials and methods for secondary containment of aboveground storage tank (AST) facilities was completed in 1992.At that time, direct comparative data to evaluate the various candidate liners did not exist. A second phase of work was initiated to meet this need. This report documents the Phase II evaluation of chemical resistance of a variety of liner materials. Six geosynthetic membrane liners and two geosynthetic clay liners (GCLS) were tested to determine vapor permeation resistance (membrane liners) and hydraulic conductivity (clay liners), and to measure changes in physical properties after immersion in fuels and blends representative of those stored in AST facilities. The work included four separate tasks that generated comparative data on vapor permeation, chemical resistance, liquid conductivity and other physical properties of geosynthetic membrane liners and GCLS as a function of controlled exposure to the fuels and blends. Project test results were used to rank the various liners in terms of performance in the vapor permeation test and relative changes in properties measured after immersion.

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