![]() ![]() Elevated levels of toxic chemicals exist in bottom sediments of all the urban bays, with tumors and other biological abnormalities found in bottom fish associated with these water bodies. The capacities of the nondispersive disposal sites in the Phase II area are estimated to be several times the probable volume of dredged material projected for disposal through the year = ,įuture disposal of dredged material in the Puget Sound estuary of the State of Washington is of major interest to Federal, state, and local governmental regulatory agencies, as well as those responsible for maintaining existing waterways and harbors. Each of the dispersive sites includes a 1,500-foot radius, 162-acre surface disposal zone within which all dredgfed material must be released. Each site includes a 900-foot radius, 58-acre surface disposal zone within which all dredged material must be released. This technical appendix summarizes the process by which DSWG carried out its task. DSWG's task in Phase II was to identify suitable unconfined, open-water disposal sites. Phase II includes the southern portion of Puget Sound south of the Tacoma Narrows and the northern portion of Puget Sound north of Admiralty Inlet to the U.S./Canadian border and west to Port Angeles. Results of disposal-site-selection studies for Phase II of PSDDA, are summarized herein. This document is a technical appendix to both the Proposed Management Plan Report and the Environmental Impact Statement (EIS) for the Puget Sound Dredged Disposal Analysis (PSDDA) Phase II study covering north and south Puget Sound. ![]()
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