Proposed Expert Consultant Team for Koppers Superfund Site

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Proposed Expert Consultant Team for Koppers
Superfund Site

• by
• Rick Hutton, P.E.
• Water/Wastewater Supervising Engineer
• Gainesville Regional Utilities

Gainesville City Commission Meeting October 25,
2004
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Cabot/ Koppers Site

• Superfund sites since 1983
• Cabot Site
• Pine tar/charcoal facility early 1900s thru 1967
• Koppers Site
• Wood treating operations since 1916
• Contamination from creosote other wood treating
  compounds

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Map
Murphree Water Treatment Plant

• Map showing Cabot Carbon / Koppers site and
  Murphree - JEA

Main Street
NW 23rd Ave.
Cabot Carbon \ Koppers Superfund Site
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Site Geology
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Status

• Water Supply is Safe We Want to Keep it that
  Way
• No contamination in GRU wells
• Not an immediate threat
• Appropriate Decisive action needed now to
  ensure long-term protection

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Status (contd)

• Site geology contamination complex
• Final Remedy may be complex
• Beazer proposal may include leaving significant
  amount of creosote in place
• Beazer has expert team working for them
• City needs high level expertise to protect its
  interests
• Appropriate site cleanup
• Water supply protected
• Confidence in safety of water supply

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Expert Consultant Team

• World Renowned Experts in DNAPL/creosote field
• Complimentary skills strengths
• Reliance on more than one opinion
• Business Case

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Expert Consultant Team Tasks

• Comprehensive review of site
• Review Beazer EPA Approach
• Recommendations for further Actions
• Assist in ensuring EPA Beazer take appropriate
  actions

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Summary

• Water Supply is Safe We Want to Keep it that
  Way
• Decisive appropriate action needed now to
  protect future
• Team will assist City in ensuring appropriate
  decisive action taken
• Estimated Cost of team 160,000
• Estimated value of water supply Priceless

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Murphree Capture Zone
Pumping Rate 60 Million Gallons per
Day (Current Pumping Rate 26 MGD)

• Map of Site and delineation of capture zone

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Murphree Capture Zone

• Map of Site and delineation of capture zone

Early Warning Network Existing Future
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