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Title: Performance Assessment for Pump-and-Treat Closure or Transition

Abstract

A structured performance assessment approach is useful to evaluate pump-and-treat (P&T) groundwater remediation, which has been applied at numerous sites. Consistent with the U.S. Environmental Protection Agency’s Groundwater Road Map, performance assessment during remedy implementation may be needed, and should consider remedy optimization, transition to alternative remedies, or remedy closure. In addition, a recent National Research Council study examined groundwater remediation at complex contaminated sites and concluded that it may be beneficial to evaluate remedy performance and the potential need for transition to alternative approaches at these sites. The intent of this document is to provide a structured approach for assessing P&T performance to support a decision to optimize, transition, or close a P&T remedy. The process presented in this document for gathering information and performing evaluations to support P&T remedy decisions includes use of decision elements to distinguish between potential outcomes of a remedy decision. Case studies are used to augment descriptions of decision elements and to illustrate each type of outcome identified in the performance assessment approach. The document provides references to resources for tools and other guidance relevant to conducting the P&T assessment.

Authors:
 [1];  [1];  [2];  [1];  [1]
  1. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
  2. U.S. Army Corps of Engineers Environmental and Munitions Center of Expertise, Huntsville, AL (United States)
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1224519
Report Number(s):
PNNL-24696
830403000
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
groundwater; remediation

Citation Formats

Truex, Michael J., Johnson, Christian D., Becker, Dave J., Lee, Michelle H., and Nimmons, Michael J. Performance Assessment for Pump-and-Treat Closure or Transition. United States: N. p., 2015. Web. doi:10.2172/1224519.
Truex, Michael J., Johnson, Christian D., Becker, Dave J., Lee, Michelle H., & Nimmons, Michael J. Performance Assessment for Pump-and-Treat Closure or Transition. United States. https://doi.org/10.2172/1224519
Truex, Michael J., Johnson, Christian D., Becker, Dave J., Lee, Michelle H., and Nimmons, Michael J. 2015. "Performance Assessment for Pump-and-Treat Closure or Transition". United States. https://doi.org/10.2172/1224519. https://www.osti.gov/servlets/purl/1224519.
@article{osti_1224519,
title = {Performance Assessment for Pump-and-Treat Closure or Transition},
author = {Truex, Michael J. and Johnson, Christian D. and Becker, Dave J. and Lee, Michelle H. and Nimmons, Michael J.},
abstractNote = {A structured performance assessment approach is useful to evaluate pump-and-treat (P&T) groundwater remediation, which has been applied at numerous sites. Consistent with the U.S. Environmental Protection Agency’s Groundwater Road Map, performance assessment during remedy implementation may be needed, and should consider remedy optimization, transition to alternative remedies, or remedy closure. In addition, a recent National Research Council study examined groundwater remediation at complex contaminated sites and concluded that it may be beneficial to evaluate remedy performance and the potential need for transition to alternative approaches at these sites. The intent of this document is to provide a structured approach for assessing P&T performance to support a decision to optimize, transition, or close a P&T remedy. The process presented in this document for gathering information and performing evaluations to support P&T remedy decisions includes use of decision elements to distinguish between potential outcomes of a remedy decision. Case studies are used to augment descriptions of decision elements and to illustrate each type of outcome identified in the performance assessment approach. The document provides references to resources for tools and other guidance relevant to conducting the P&T assessment.},
doi = {10.2172/1224519},
url = {https://www.osti.gov/biblio/1224519}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Sep 29 00:00:00 EDT 2015},
month = {Tue Sep 29 00:00:00 EDT 2015}
}