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Performance Evaluation of Ground Water Cleanups

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"Elements for Effective Management of Operating Pump and Treat Systems," November 2002. OSWER 9355.4-27FS-A.
Available on-line from OSWER PDF (22pp, 547K)

Summarizes key aspects of effective management for operating ground water pump and treat systems, based on lessons learned from conducting remedy optimization evaluations at 20 Superfund sites. Includes discussion of setting system goals and evaluating cleanup progress, as well as evaluating remedy performance and cost effectiveness.

"Methods for Monitoring Pump-and-Treat Performance,"June 1994.
Office of Research and Development Publication EPA/600/R-94/123, NTIS Order Number PB95-125456.
Available on-line from OSWER:
Part 1 - Introduction and Monitoring Hydraulic Containment
PDF (48 pp, 2.6MB)
Part 2 - Monitoring Acquifer Restoration, Evaluating Restoration Success/Closure, Chem-Dyne Site Case Study, and References
PDF (63 pp, 1.6MB)

This publication provides guidance for monitoring the effectiveness and efficiency of pump-and-treat remediation systems, with emphasis on the "pump" part of the technology rather than chemical enhancements. The report includes sections on monitoring hydraulic containment, monitoring ground-water restoration, evaluating restoration success/closure, a case study, and references. It includes performance criteria, monitoring objectives, and protocols for evaluating effectiveness of containment and restoration systems.

"General Methods for Remedial Operation Performance Evaluations" January 1992.
Robert S. Kerr Environmental Research Laboratory (now National Risk Management Research Laboratory--NRMRL), Ada, Oklahoma, Publication EPA/600/R-92/002, NTIS Order Number PB92-166842
Available on-line from NRMRL PDF (45 pp, 429K)

This research report explains technical considerations and principles necessary to evaluate the performance of ground water contamination remediations at hazardous waste sites. It presents generic principles for formulating site-specific evaluation strategies. (It is not a "cookbook".) It emphasizes the development of monitoring stategies which ensure that sampling locations and schedules are meaningful, and to the use of data reduction, presentation and interpretation techniques.


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