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Harbor Island (Lead)
Site Summary
Harbor Island, a 400-acre industrial site, lies at the mouth of the Duwamish Waterway on the southern edge of Elliott Bay. EPA has found contamination in soil, groundwater, and sediments at the site. EPA has divided the Harbor Island site into areas called "operable units (OUs)." The agency has recorded decisions for the operable unit cleanups in documents called Records of Decision (RODs) and Explanations of Significant Differences (ESDs).
News
Fact Sheets
Documents
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Administrative Record Indexes
Additional information about Harbor Island is available in EPA's administrative records for the site. Indexes to some of the administrative records are available below.
The administrative records and other written information about the site are housed at the EPA Region 10 Superfund Records Center:
1200 Sixth Avenue, ECL-076
Seattle, WA 98101
206-553-4494 or toll-free at 1-800-424-4372
East Waterway
- East Waterway Source Control Evaluation Approach Memorandum (PDF) (34 pp. 1.5MB)
- East Waterwat Clam Tissue Compositing Memorandum (PDF) (7 pp. 117K) - August 2008
- East Waterway Existing Information Summary Report - March 2008
- Potential Human Access Areas Photo Gallery
- East Waterway T-30 Post Dredge Monitoring Plan (PDF) (77 pp. 534K) - February 15, 2008.
- East Waterway Supplemental Remedial Investigation and Feasibility Study Work Plan (PDF) (95 pp, 2MB) - July 6, 2007
- Order for Supplemental Remedial Investigation and Feasibility Study for the East Waterway Operable Unit (PDF) (63pp, 1.2MB) - October 20, 2006
- Slip 27 Sampling Results (PDF) (30 pp. 260K to start) - October 18, 2007
- East Waterway Phase 1 Removal Action: - February 23, 2007
- 2008 Recontamination Monitoring Plan with Figures of Sampling/Monitoring locations (PDF) (5 pp. 100K) - January 11, 2007
- East Waterway Completion Report (PDF) (99 pp, 25 MB) - non time critical removal action - September 30, 2006
- East Waterway Phase 1 Removal Action: Final Recontamination Monitoring Plan (PDF) (78 pp, 1.4 MB) - October 4, 2005
- East Waterway Operable Unit Phase 1 Removal Action Completion Report Appendix C: Post-Dredge Monitoring Data Report (PDF) (47 pp, 1 MB) - September 30, 2005
- Water Quality Monitoring Report (PDF) (15 pp, 157 K) - July 22, 2005
- Engineering Evaluation/Cost Analysis (EE/CA) for the East Waterway Operable Unit - July 29, 2003
West Waterway
Marine Sediments
Shipyards
Tank Farms
[ Main Cleanup | Brownfields ]
[ Superfund | FOIA | Records Center ]
Point of contact: Cindy Schuster
E-Mail: schuster.cindy@epa.gov
Phone Number: (206) 553-1815
Last Updated: 10/03/2008
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