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Technical Documents This page includes documents about the Lower Duwamish Waterway sediment contamination investigation, Superfund site listing, Slip 4 and Terminal 117. NOTE: You will need Adobe Acrobat Reader, available as a free download, to view the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader. Most of these files come from the Lower Duwamish Waterway Group. If a file that you are looking for is not listed here, then you may find it on the Lower Duwamish Waterway Group's documents page Click on the triangle to expand a heading and see more documents. Phase I Remedial Investigation Report Draft Phase II Remedial Investigation Report Feasibility Study EPA and Ecology comments on first draft of Feasibility Study (PDF) (86pp., 320KB) Please visit the LDWG website (see link above) to see the first draft of the Feasibility Study. Public comments on first draft of Feasibility Study (PDF) (149pp., 3.5MB) Feasibility Study Work Plan - Final, May 4, 2007 (PDF) (6.7 MB zip) Preliminary Screening of Alternatives - Draft, September 27, 2006 Main text, tables and figures (PDF) (22 MB zipped) Appendix A (PDF) (31K) Appendix B (PDF) (365K) Appendix C (PDF) (400K) Candidate Technologies Memorandum - Final, December 12, 2005 (4.5 MB zip) Remedial Investigation/Feasibility Study Integration Memorandum (PDF) - Final, May 31, 2005 (134K) Early Action Areas Slip 4 - Early Action Area Terminal 117 - Early Action Area Legal Documents Superfund Site Listing Other Technical Documents Controlling Pollution at the Source Washington Department of Ecology [ Main Cleanup | Brownfields ] [ Superfund | FOIA | Records Center ] Point of contact: Renee Dagseth E-Mail: dagseth.renee@epa.gov Phone Number: (206) 553-1889 Last Updated: 09/18/2009