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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