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Conclusion 1

Presentation to the Hillcrest Community Meeting Conclusions Regarding Groundwater Contamination February 24, 2011 George Rice. Conclusion 1

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Conclusion 1

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  1. Presentation to theHillcrest Community MeetingConclusions RegardingGroundwater ContaminationFebruary 24, 2011George Rice

  2. Conclusion 1 Since 2006 the volume of the LNAPL plume beneath the refineries has been reduced by approximately 12 million cubic feet (90 million gallons). During that time, the refineries have pumped less than 1 million cubic feet of LNAPL from beneath their facilities. Thus, pumpage by the refineries has contributed little to the reduction in LNAPL plume volume.

  3. Conclusion 2 Groundwater flows from the Flint Hills East and CITGO East refineries, into the Hillcrest Neighborhood.

  4. Conclusion 3 Contaminated groundwater from the refineries has migrated into the Hillcrest Neighborhood.

  5. Conclusion 4 The groundwater in the Hillcrest Neighborhood is a valuable resource that should be protected.

  6. Conclusion 5 Pumping wells should be installed along the boundary between the refineries and the Hillcrest Neighborhood to reduce or eliminate the migration of contaminated groundwater into the neighborhood.

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