The concept of contaminated sediment treatment producing a useful product has emerged in recent years, motivated by the cost of sediment disposal and by recognition of sediment as a resource rather than a waste. Contaminated sediment presents unique challenges for treatment, however, due to the character and complexity of the matrix, and the logistics and economics involved in coupling the process with a dredging operation. The objectives of this document ...
This document provides a technical guide for project managers and management teams evaluating and implementing monitored natural recovery (MNR) at contaminated sediment sites. It is primarily intended to support environmental restoration at United States Department of Defense (DoD) sites; however, many aspects of the document also may be useful for other government organizations, potentially responsible parties, communities, and stakeholders involved in management of sediment cleanup. Specific objectives include: 1. Establishing ...
By isolating contaminated sediments from overlying bodies of water, capping can effectively reduce ecosystem exposure to contaminants and minimize the possibility of contaminant transport into the food chain (Magar, 2001; Palermo et al., 1998; USACE, 1998). However, because contaminated sediments are left in place, caps generally require long-term monitoring, and the risks of contaminant transport or sediment resuspension persist. Many contaminated marine sediment sites reside in shallow, coastal areas that ...
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