Public Health Assessment Final Release Final Release *REVISED Evaluation of Exposure to Contaminants from the ZENECA/CAMPUS BAY SITE 1200 SOUTH 47TH STREET RICHMOND, CONTRA COSTA COUNTY, CALIFORNIA EPA FACILITY ID: CAD009123456 Prepared by the California Department of Health Services JULY 22, 2009 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 Zeneca/Campus Bay Site Final Release PUBLIC HEALTH ASSESSMENT *REVISED Evaluation of Exposure to Contaminants from the ZENECA/CAMPUS BAY SITE 1200 SOUTH 47TH STREET RICHMOND, CONTRA COSTA COUNTY, CALIFORNIA EPA FACILITY ID: CAD009123456 Prepared by: California Department of Public Health Under Cooperative Agreement with the U.S. Department of Health and Human Services Agency for Toxic Substances and Disease Registry Table of Contents List of Acronyms ............................................................................................................................ 1 Summary......................................................................................................................................... 2 Background and Statement of Issues .............................................................................................. 5 Land Use ..................................................................................................................................... 7 Site Visits.................................................................................................................................... 7 Demographics ............................................................................................................................. 7 Environmental Contamination/Pathway Analysis/Toxicological Evaluation ................................ 8 Description of Toxicological Evaluation.................................................................................... 8 Environmental and Health Screening Criteria ............................................................................ 9 Discussion of Environmental Contamination ........................................................................... 12 Table 1. Units of Measurement Used in Environmental Sampling and Reporting .............. 12 On-Site Soil and Groundwater Contamination......................................................................... 12 Off-Site Contamination............................................................................................................. 12 Stauffer Operations and Historic Exposure (1944 – 1997)....................................................... 13 Residents Living in the Richmond Panhandle Annex Area.................................................. 15 Nearby Businesses (Harborfront Business Tract) and the Richmond Field Station............. 15 Evaluation of East Stege Marsh Sediment and Surface Water ................................................. 16 Evaluation of Potential Exposure to Dust and Site-Related Contaminants in Ambient Air During Remedial Work at Zeneca between October 2002 and October 2006 ..................... 20 Soil Gas/Vapor Intrusion ...................................................................................................... 22 Evaluation of Exposure to Contaminants in Indoor Dust in Building 240............................... 24 Quality Assurance and Quality Control.................................................................................... 25 Community Health Concerns and Evaluation........................................................................... 26 Introduction and Purpose ...................................................................................................... 26 Process for Gathering Community Health Concerns............................................................ 26 1944-1956: Concerns of Residents of the Seaport Warhousing Apartments ....................... 27 1957-1997: Former Stauffer Workers................................................................................... 27 1957-1997: Former Neighbors and Residents ...................................................................... 27 1961-1972: Historical Log of Odors and Health Concerns .................................................. 27 1997-Present ......................................................................................................................... 30 Evaluation of Community Health Concerns......................................................................... 31 Cancer Risk Factors and Health Disparities ......................................................................... 32 Evaluation of Cancer Health Concerns at the Zeneca Site ................................................... 33 Evaluation of Noncancer Health Concerns at the Zeneca Site ............................................. 40 Health Outcome Data.................................................................................................................... 46 Children’s Health Considerations................................................................................................. 46 Conclusions................................................................................................................................... 46 Recommendations......................................................................................................................... 47 Public Health Action Plan............................................................................................................. 48 Actions Completed.................................................................................................................... 48 Ongoing Actions ....................................................................................................................... 48 Preparers of Report ....................................................................................................................... 49 Certification .................................................................................................................................. 50 References..................................................................................................................................... 51 i Appendix A. Glossary of Terms ................................................................................................... 62 Appendix B. Figures ..................................................................................................................... 71 Appendix C. Tables ...................................................................................................................... 79 Appendix D. Toxicological Summaries...................................................................................... 108 Appendix E. Exposure Assumptions and Equations Used for Estimating Increased Cancer Risk and Cancer Slope Factors............................................................................................................ 114 Appendix F. Public Comments and California Department of Public Health’s Response to Comments ................................................................................................................................... 116 List of Figures Figure B-1. Site Location Map, Zeneca/Campus Bay, Richmond California .............................. 72 Figure B-2. Approximate Location of Sediment Samples Collected in the East Stege Marsh Prior to Remediation, Zeneca/Campus Bay, Richmond, California...................................................... 73 Figure B-3. Location of Sediment Samples Collected in the East Stege Marsh in 2006, After Remediation,