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Triangle Park Removal Action Area within thePortland Harbor Superfund Site (Portland, Oregon)
Jennifer MacDonald Assistant Regional Counsel
Office of Regional Counsel, EPA Region 10
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• Example text– Indented • Third layer
Portland Harbor & Triangle Park
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1964
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• Project Goals– Characterize, control or eliminate sources
of contamination to the groundwater, and to the surface water and sediment of the Willamette River.
– Reduce or eliminate human and ecological exposure to contamination
– Provide better habitat for wildlife and fish– Allow recreational and other uses that
support commerce and jobs
Site Cleanup
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• University of Portland’s Interests– Timely cleanup to enable
reuse of Triangle Park for academic and recreation facilities
• Potential Reuse Barriers– University of Portland
concerned property acquisition and cleanup could make it a liable party
Considering Reuse
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• University of Portland– Responsible for cleanup design and management
• Investigating nature and extent of contamination• Preparing an Engineering Evaluation and Cost Analysis (EE/CA)• Conducting removal action selected by the EPA after public comment• Facilitating sediment cleanup adjacent to the property
– Liability concerns addressed
• The EPA– Covenant not to sue– Cleanup oversight
• Triangle Park LLC– Cleanup funding from previous site owner
The BFPP Solution
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• Cap for contaminated soils exceeding screening levels
• Excavation and off-site disposal of “hot spot” areas with elevated contaminant levels
• Institutional controls
Triangle Park Cleanup
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UP Master Plan
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Master Plan for Triangle Park Area
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Outcomes