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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
Early Action Areas
Slip 4 - Early Action Area
Terminal 117 - Early Action Area
Legal Documents
 Superfund Site Listing
On December 1, 2000, EPA proposed to add the Lower Duwamish Waterway to its National Priorities List (NPL) of the nation’s most contaminated hazardous waste sites that are targeted for investigation and cleanup. On September 13, 2001, EPA added the site to the NPL.
Federal Register Rule - September 13, 2001 (adds site to National Priorities List, also called NPL or Superfund list)
Docket and Listing Information (includes how to review documents about the listing)
Site Narrative - December 1, 2000 (describes the site based on information available when it was scored under the Hazard Ranking System or HRS)
HRS Documentation Record - December 1, 2000 (describes the information used to compute the HRS score)
75215 - 75221 Federal Register / Vol. 65, No. 232 - Friday, December 1, 2000 Proposed Rules (includes proposed listing formatted for easy access to sections)
Federal Register Proposed Rules - December 1, 2000 (includes proposed listing formatted as it appears in the Federal Register)
NPL Docket Index - December 15, 2000
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
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