PMID: 16640320Apr 28, 2006Paper

The role of monitored natural recovery in sediment remediation

Integrated Environmental Assessment and Management
Victor S Magar, Richard J Wenning

Abstract

The long-term goal of monitored natural recovery (MNR) is to achieve ecological recovery of biological endpoints in order to protect human and ecological health. Insofar as ecological recovery is affected by surface-sediment-contaminant concentrations, the primary recovery processes for MNR are natural sediment burial and contaminant transformation and weathering to less toxic forms. This paper discusses the overall approach for effective implementation of MNR for contaminated sediment sites. Several lines of evidence that may be used to demonstrate natural recovery processes are summarized, including documentation of source control; evidence of contaminant burial; measurement of surface sediment mixing depths and the active sediment benthic layer; measurement of sediment stability; contaminant transformation and weathering; modeling sediment transport, contaminant transport, and ecological recovery; measuring ecological recovery and long-term risk reduction; knowledge of future plans for use and development of the site; and watershed and institutional controls. In general, some form of natural recovery is expected and should be included as part of a remedy at virtually all contaminated sediment sites. Further, MNR investigatio...Continue Reading

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Citations

Mar 21, 2013·Environmental Monitoring and Assessment·Tony R WalkerPeter Weaver
Oct 10, 2013·Environmental Monitoring and Assessment·Tony R Walker, Devin MacAskill
Aug 3, 2010·The Science of the Total Environment·Manuel Alvarez-GuerraIgor Linkov
Feb 3, 2015·Integrated Environmental Assessment and Management·Darya KupryianchykAlbert A Koelmans
Apr 4, 2017·Environmental Pollution·Timothy M RemailiDianne F Jolley
May 10, 2016·Environmental Health Perspectives·Tanapon PhenratGregory V Lowry
Aug 30, 2007·Journal of Environmental Monitoring : JEM·Susanne Heise, Ulrich Förstner
Oct 26, 2007·Risk Analysis : an Official Publication of the Society for Risk Analysis·T P SeagerK H Gardner

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