Technical guidelines for environmental dredging of contaminated sediments
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2008-09-01
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Abstract:This report provides technical guidelines for evaluating
environmental dredging as a sediment remedy component. This document
supports the Contaminated Sediment Remediation Guidance for
Hazardous Waste Sites, released by the U.S. Environmental Protection
Agency (USEPA) in 2005, by providing detailed information regarding
evaluation of environmental dredging as a remedy component. This
document is intended to be applicable to contaminated sediment sites
evaluated under various environmental laws and regulatory programs. The
intended audience for this report includes all stakeholders potentially
involved in evaluating environmental dredging for purposes of a feasibility
study, remedial design, and implementation.
The scope of this document is limited to the technical aspects of the
environmental dredging process itself, but it is important that
environmental dredging be integrated with other components such as
transport, dewatering, treatment, and rehandling and disposal options.
This report covers initial evaluation, pertinent site conditions and
sediment characteristics, environmental dredging performance standards,
equipment capabilities and selection, evaluation of production, duration,
and transport, methods for estimating resuspension, residuals and release,
control measures, operating methods and strategies, and monitoring.
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