Tiered Sediment Quality Evaluations for Dredging Projectsby A. Rudder Turner, Jr., US Army Corps of Engineers, Portland, OR, USA,
Abstract: Sediment and water quality are evaluated frequently for U. S. Army Corps of Engineers (CoE) dredging projects to assess potential biological effects, as required for compliance with environmental statutes and regulations. This paper describes a tiered testing scheme being implemented by the CoE, Portland District that allows for a systematic approach to conducting available physical, chemical, and biological tests, completing only those tests appropriate to the specific proposed action. The development of such a scheme will provide for more consistent design of project-specific testing programs and will more effectively accomplish the required evaluations, reduce costs, and present cogent data in a more timely manner to CoE managers and resource agencies.
Subject Headings: Water quality | Dredging | Water pollution | Biological processes | Quality control | Federal government | Environmental issues
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