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Port of Dubuque Brownfields Redevelopment Project ASCE Conference October 19, 2005 Presented by: John F. Brimeyer,

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Port of Dubuque Brownfields Redevelopment Project ASCE Conference October 19, 2005 Presented by: John F. Brimeyer,

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    2. PORT OF DUBUQUE Brownfields Redevelopment Project Historic Ice Harbor Area View of the Ice Harbor Area, 1950’s

    3. PORT OF DUBUQUE Brownfields Redevelopment Project Historical Background Steady decline over the last 30 – 40 years Several facilities closed or abandoned Minor league baseball park (1979) Bulk petroleum storage facility (1986) Dubuque Star Brewery (1998) Cold storage facility (2000) Bulk asphalt terminal (2000)

    4. PORT OF DUBUQUE Brownfields Redevelopment Project Population Trends

    5. PORT OF DUBUQUE Brownfields Redevelopment Project Planning Efforts 1990 - City began planning efforts to revitalize area 1993 - Dubuque Riverfront Plan 1997 - America’s River partnership formed

    6. PORT OF DUBUQUE Brownfields Redevelopment Project Port of Dubuque Master Plan

    7. PORT OF DUBUQUE Brownfields Redevelopment Project Environmental Assessment Activities City awarded $200,000 USEPA Brownfields Pilot Grant in 2002 Funds used to conduct Phase I and Phase II environmental assessment of targeted properties within study area

    8. 12 Phase I ESAs North Harbor Area Stealth Race Car Property Dubuque Hardwoods Property Water Department Property Peavey Salt Storage Property 5th & Bell Property Miller Logging Property Star Brewery Property South Harbor Area Dubuque River Terminal Property Newt Marine Property Dodds River Terminal Property Sitco Property Sinclair Marketing Property PORT OF DUBUQUE Brownfields Redevelopment Project Phase I Environmental Site Assessments

    9. Current and Former Petroleum Storage Former Foundry Operations Historical Uncontrolled Fill Historical Bulk Fertilizer Storage PORT OF DUBUQUE Brownfields Redevelopment Project Phase I Recognized Environmental Conditions

    10. Quality Assurance Project Plan Site-Specific Checklists 7 Phase II Site Assessments PORT OF DUBUQUE Brownfields Redevelopment Project Phase II Site Assessment Activities

    11. Environmental impairment identified in soil and groundwater Petroleum Compounds, Arsenic, Lead Met with IDNR to consider alternatives No Further Remediation Letter under Land Recycling Program Issuance of IDNR “Comfort Letter” City opted to proceed with informal “Comfort Letter” Land use restrictions on selected properties PORT OF DUBUQUE Brownfields Redevelopment Project Results of Phase II Investigation

    12. PORT OF DUBUQUE Brownfields Redevelopment Project Petroleum Cleanup Site

    13. PORT OF DUBUQUE Brownfields Redevelopment Project Site Conditions John Discuss: 1. Original FP vs. Today 2.Explain Smear zoneJohn Discuss: 1. Original FP vs. Today 2.Explain Smear zone

    14. Dual-Phase System Multi-Arrayed Vacuum (MAV) Extraction of Free Product Hydrogen Peroxide Injection for Dissolved Hydrocarbons Extraction and injection points in a single installation Simultaneous extraction of product and injection of hydrogen peroxide Convert extraction wells to injection wells after free product recovery PORT OF DUBUQUE Brownfields Redevelopment Project Proposed Remedial Technology Russell:Russell:

    15. PORT OF DUBUQUE Brownfields Redevelopment Project MAV Extraction System JimJim

    16. PORT OF DUBUQUE Brownfields Redevelopment Project Hydrogen Peroxide Injection System JimJim

    17. Remedial Investigation for Cleanup Design Delineated extent of free and dissolved phase plumes Collected site specific information for final design Risk-Based Evaluation Identified at-risk receptors Developed risk-based remedial objectives Final Design Site enrolled in LRP Site Investigation Report/Remedial Action Plan approved by IDNR 18 MAV Extraction Points and 140 H2O2 Injection Points System Installation Completed July 2005 Free product thickness reduced from 5 feet to 0.1 feet First quarter groundwater sampling completed October 2005 PORT OF DUBUQUE Brownfields Redevelopment Project Cleanup Project Activities Dave Dave

    18. PORT OF DUBUQUE Brownfields Redevelopment Project America’s River Project Projects completed National Mississippi River Museum and Aquarium River’s Edge Plaza Riverwalk Alliant Amphitheater Grand Harbor Resort and Waterpark Grand River Conference and Education Center $138,000,000 Invested to-Date Additional $50,000,000 in Museum Expansion

    19. PORT OF DUBUQUE Brownfields Redevelopment Project America’s River Project Funding US EDA - $2,000,000 Property acquisition and business relocation US HUD EDI - $357,660 Property acquisition, demolition, and cleanup State of Iowa - $1,000,000 River Discovery Center Iowa DED - Community Attraction and Tourism Development Grant - $5,000,000 River Discovery Center Iowa DED - Vision Iowa Grant - $40,000,000 Grand River Center and River Discovery Center

    20. PORT OF DUBUQUE Brownfields Redevelopment Project Current Port of Dubuque Area

    21. PORT OF DUBUQUE Brownfields Redevelopment Project National Mississippi River Museum and Aquarium

    22. PORT OF DUBUQUE Brownfields Redevelopment Project Riverwalk and Alliant Amphitheater

    23. PORT OF DUBUQUE Brownfields Redevelopment Project Grand Harbor Resort and Waterpark

    24. PORT OF DUBUQUE Brownfields Redevelopment Project Grand River Conference Center

    25. PORT OF DUBUQUE Brownfields Redevelopment Project Summary

    26. THANK YOU John F. Brimeyer, PE Terracon jfbrimeyer@terracon.com

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