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Methods And Tools For The Evaluation Of Monitored Natural Recovery Of Contaminated Sediment: Lake Hartwell Case Study
Citation:
MILLS, M., J. M. LAZORCHAK, J. P. SCHUBAUER-BERIGAN, AND D. Walters. Methods And Tools For The Evaluation Of Monitored Natural Recovery Of Contaminated Sediment: Lake Hartwell Case Study. U.S. Environmental Protection Agency, Washington, DC, EPA/600/S-10/006, 2010.
Impact/Purpose:
To present and discuss data results for evaluating MNR progress at Lake Hartwell.
Description:
The National Risk Management Research Laboratory (NRMRL) of the U.S. Environmental Protection Agency's (U.S. EPA's) Office of Research and Development (ORD) has been conducting research to develop methods and tools for the evaluation of monitored natural recovery (MNR) of contaminated sediments. This research is supporting a broad, national research effort focused on the remediation of contaminated sediments in U.S. waterways. This Sediment Issue summarizes results of a multi-year case study project carried out by ORD, specifically NRMRL and the National Exposure Research Laboratory (NERL), at the Sangamo-West/Twelvemile Creek/ Lake Hartwell Superfund Site in Pickens County, South Carolina. This site is contaminated with polychlorinated biphenyls (PCBs). The methods and tools described herein are comprised of quantitative approaches for characterizing naturally-occurring mechanistic processes that must be considered in managing risk using MNR as a remedy. The information developed in this project is expected to be used as a reference for site managers and Federal, State, and local regulators who may be considering MNR as a site remedy or monitoring the progress of MNR at a contaminated sediment site(s). The methods and techniques evaluated and optimized in this study also provide the broader sediment community with an approach for characterizing environmental processes controlling the risk associated with contaminated sediments. Data results for evaluating MNR progress at Lake Hartwell are presented and discussed in three basic formats: a) chemical lines of evidence, b) biological lines of evidence, and c) physical lines of evidence.
URLs/Downloads:
METHODS AND TOOLS FOR THE EVALUATION OF MONITORED NATURAL RECOVERY OF CONTAMINATED SEDIMENT: LAKE HARTWELL CASE STUDYAbstract
NRMRL Pubs Site