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A Citizen's Guide to Permeable Reactive Barriers

The Citizen's Guide series is a set of 22 fact sheets that summarizes cleanup methods used at Superfund and other sites. A permeable reactive barrier, or “PRB,” is a wall created below ground to clean up contaminated groundwater. The wall is “permeable,” which means that groundwater can flow through it. This document can also be accessed at http://semspub.epa.gov/src/document/HQ/158715.

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