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 action, or the need for further study are made by the risk manager at the
completion of each tier.
Washington
The state of Washington does not have its own guidance document for
conducting ecological risk assessments. Cleanup regulations for hazardous waste
sites are currently being revised and a section on ecological risk will be
incorporated. A similar revision of human health cleanup guidelines is also
expected to occur. At this time, Washington does have documents regarding
sediment cleanup standards. These documents include:
Documents:
"Final environmental impact statement for the Washington State
Sediment Management Standards" (December 1990). Chapter
173-204 WAC, Washington State Department of Ecology,
Olympia, WA.
"Summary of guidelines for contaminated freshwater sediments"
(March 1995). Publication No. 95-308, Washington State
Department of Ecology, Olympia, WA.
"Review and evaluation of Microtox test for freshwater
sediments" (November 1992). J. Bennett and J. Cubbage, ed.,
Washington State Department of Ecology, Olympia, WA.
"Sediment management standards" (December 1995).
Contact:
Nigel Blakely, Department of Ecology, Toxic Cleanup Program,
Technical Policy Department.
A28
Appendix A Summary of Federal, State, and Regional Guidance
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