Monitoring Remedial Effectiveness
Contaminated sediment remediation is a long-term, often decadal, process from initial characterization to achieving remedial action objectives (RAOs). Monitoring remedial effectiveness is critically important in contaminated sediment management. It seeks to answer the fundamental question of “Were we successful?” As a result, it is also a topic of great sensitivity. From a pragmatic point of view, there are many disincentives to conducting remedy effectiveness monitoring. What happens if the remedy is not “successful” and hundreds of millions of private and public dollars have been spent over many years of cleanup, after years of investigation and negotiation? Do we start over again? Determine it cannot be done? While this concern is very real, it does not outweigh the statutory requirements, cost accountability, human and ecological risk implications, and the standards of good governance and environmental stewardship that mandate remedy effectiveness be tracked and verified.
KeywordsToxicity Sulfide Cage Sludge Chlorine
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