Electrical resistance heating (ERH) is a common method of remediation for volatile organic compounds in unconsolidated soils, both above and below the water table. In the past eight years, ERH has been used to successfully treat 10 or more contaminated sedimentary bedrock sites. Sedimentary bedrock treatment has recently expanded to greater depths and into karst limestone environments. This article describes the implementation issues for rock remediation and provides case studies of three sites remediated by ERH in Pennsylvania and Alabama. With proper design, the remediation of sedimentary bedrock can be completed as effectively as the remediation of overburden materials. © 2014 Wiley Periodicals, Inc.
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