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Public Health Assessment Public Health Assessment Final Release PORTLAND HARBOR: RECREATIONAL USE PORTLAND, OREGON EPA FACILITY ID: ORSFN1002155 Prepared by the Oregon Health Authority Environmental Health Assessment Program (EHAP) SEPTEMBER 12, 2011 Prepared under a Cooperative Agreement with the U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES Agency for Toxic Substances and Disease Registry Division of Health Assessment and Consultation Atlanta, Georgia 30333 THE ATSDR PUBLIC HEALTH ASSESSMENT: A NOTE OF EXPLANATION This Public Health Assessment was prepared by ATSDR’s Cooperative Agreement Partner pursuant to the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA or Superfund) section 104 (i)(6) (42 U.S.C. 9604 (i)(6)), and in accordance with our implementing regulations (42 C.F.R. Part 90). In preparing this document, ATSDR’s Cooperative Agreement Partner has collected relevant health data, environmental data, and community health concerns from the Environmental Protection Agency (EPA), state and local health and environmental agencies, the community, and potentially responsible parties, where appropriate. In addition, this document has previously been provided to EPA and the affected states in an initial release, as required by CERCLA section 104 (i)(6)(H) for their information and review. The revised document was released for a 30-day public comment period. Subsequent to the public comment period, ATSDR’s Cooperative Agreement Partner addressed all public comments and revised or appended the document as appropriate. The public health assessment has now been reissued. This concludes the public health assessment process for this site, unless additional information is obtained by ATSDR’s Cooperative Agreement Partner which, in the agency’s opinion, indicates a need to revise or append the conclusions previously issued. Use of trade names is for identification only and does not constitute endorsement by the U.S. Department of Health and Human Services. Additional copies of this report are available from: National Technical Information Service, Springfield, Virginia (703) 605-6000 You May Contact ATSDR Toll Free at 1-800-CDC-INFO or Visit our Home Page at: http://www.atsdr.cdc.gov Portland Harbor: Recreational Use Final Release PUBLIC HEALTH ASSESSMENT PORTLAND HARBOR: RECREATIONAL USE PORTLAND, OREGON EPA FACILITY ID: ORSFN1002155 Prepared by: Oregon Health Authority Environmental Health Assessment Program Under a Cooperative Agreement with the Division of Health Assessment and Consultation Agency for Toxic Substances and Disease Registry Final Release This report is being published as a final draft. Previously this report was released for public comment, and all comments received before May 20, 2010, have been addressed here. Appendix A describes in detail how public comments were addressed. Prior to public comment, an earlier draft of this report was reviewed by government agency partners, including the Environmental Protection Agency (EPA), Oregon’s Department of Environmental Quality (DEQ), and local Native Tribes. Their comments were incorporated prior to release to the general public. If you have more questions about this report, please contact us via telephone 1-888-290-6767, via email at: [email protected], or via postal mail addressed to: Environmental Health Assessment Program 800 NE Oregon St., Suite 640 Portland, OR 97232 ii Foreword The Environmental Health Assessment Program (EHAP) within the Oregon Public Health Division (PHD) has prepared this Public Health Assessment under a cooperative agreement with the Agency for Toxic Substances and Disease Registry (ATSDR). ATSDR is part of the United States (U.S.) Department of Health and Human Services, Public Health Service. The mission of ATSDR is to serve the public by using the best science, taking responsive actions, and providing trusted health information to prevent harmful exposures and disease related exposures to toxic substances. This Public Health Assessment was prepared in accordance with ATSDR methodology and guidelines. An ATSDR Public Health Assessment reviews available information about hazardous substances at a site and evaluates whether exposure to them might cause any harm to people. ATSDR conducts a Public Health Assessment for every site on or proposed for the National Priorities List (the NPL, also known as the Superfund list). A Public Health Assessment is not the same as a medical exam or a community health study. iii Table of Contents Final Release ....................................................................................................................... ii Foreword ............................................................................................................................ iii Table of Contents ............................................................................................................... iv List of Tables ...................................................................................................................... v List of Figures ..................................................................................................................... v Summary ............................................................................................................................. 1 Purpose and Health Issues .................................................................................................. 4 Background ......................................................................................................................... 4 Site Description ............................................................................................................... 4 Site History ..................................................................................................................... 7 Site Visits ........................................................................................................................ 7 Demographics ................................................................................................................. 7 Land and Water Use ........................................................................................................ 8 Discussion ........................................................................................................................... 8 Data Use and Sampling Methods .................................................................................... 9 Nature and Extent of Contamination .............................................................................. 9 Exposure Pathways ....................................................................................................... 12 Completed Pathways ................................................................................................. 13 Potential Pathways .................................................................................................... 14 Eliminated Pathways ................................................................................................. 15 Public Health Implications ............................................................................................ 15 Dose Calculation ....................................................................................................... 15 Non-Cancer ............................................................................................................... 16 Cancer ....................................................................................................................... 17 Exposure Scenario 1: Recreational Users ................................................................. 17 Exposure Scenario 2: Anglers ................................................................................... 22 Bacterial Considerations ............................................................................................... 28 Uncertainties ................................................................................................................. 30 Evaluation of Health Outcome Data ................................................................................. 31 Children’s Health .............................................................................................................. 31 Community Concerns ....................................................................................................... 32 Conclusions ....................................................................................................................... 34 Recommendations ............................................................................................................. 35 Public Health Action Plan ................................................................................................. 36 Preparers of Report ........................................................................................................... 38 References ......................................................................................................................... 39 Appendix A. Response to Public Comments .................................................................... 41 Appendix B. Comparison Values and Contaminant Screening ........................................ 44 Appendix C. Contaminant Screening ............................................................................... 48 Appendix D. Exposure Assumptions and Dose Calculations ........................................... 63 Appendix E. Dose and Health Risk Calculation for the Heavy
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