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.
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- A Citizen's Guide to Permeable Reactive Barriers (PDF)(2 pp, 968 K, 2012, 542-F-12-015)