Leaching of Tetrachloroethylene from Vinyl‐Lined Pipe
Publication: Journal of Environmental Engineering
Volume 111, Issue 1
Abstract
Tetrachloroethylene has been used in the manufacture of vinyl‐lined asbestos cement pipe installed in water distribution systems in certain New England communities. Tetrachloroethylene was used as a solvent for Piccotex, a vinyl‐toluene α‐methyl styrene co‐polymer, which was then sprayed on the interior of the finished asbestos cement pipe. The migration of tetrachloroethylene through the vinyl lining was modeled as a diffusive process in which the diffusion coefficient was an exponential function of concentration. The parameters of the model were found by fitting a numerical solution of the diffusion equation to data from laboratory experiments involving the evaporation of tetrachloroethylene from a Piccotex layer. The conclusion was reached that significant quantities of tetrachloroethylene may be leached into the water supply for a time period on the order of years.
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 111 • Issue 1 • February 1985
Pages: 1 - 9
Copyright
Copyright © 1985 ASCE.
History
Published online: Feb 1, 1985
Published in print: Feb 1985
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