Learn the Issues
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August 31, 2015: Documents related to prior National Priorities List discussions
Documents related to prior National Priorities Listing discussions
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Navajo Nation Fact Sheet
Fact sheet about EPA Gold King Mine response in Navajo Nation.
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Gold King Mine Data, October 5, 2015
Gold King Mine data, posted October 5, 2015.
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Gold King Mine Chronology
Documents describing chronology of Gold King Mine release events.
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Gold King Mine Data, October 14, 2015
Gold King Mine data, posted October 14, 2015.
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Red and Bonita Administrative Record
Reports and documents in the Red and Bonita Administrative Record
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Red and Bonita - Gold King Operational Plan
Red and Bonita - Gold King Operational Plan
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Gold King Work Schedule
Gold King Work Schedule
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Environmental Restoration Action - Workplan
Environmental Restoration Action - Workplan
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Gold King Task Order Statement of Work
Gold King Task Order Statement of Work
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Gold King Mine Watershed Fact Sheet
The document contains historical background on the mine, previous water release incidents in the area, cleanup progress and information on other cleanup efforts.
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Removal Investigation Plans
Work Plan and related documents on Gold King Mine website
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Comments on Draft Monitoring Plan
This pages contains comments on the Draft Monitoring Plan
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Gold King Mine Data, September 23, 2015
Gold King Mine data, posted September 23, 2015.
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Colorado Governor John Hickenlooper's letter in support of Bonita Peak Mining District NPL Listing
On February 29, 2016, EPA received a letter from Colorado Governor John Hickenlooper affirming the State of Colorado’s support for adding the Bonita Peak Mining District
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Final Conceptual Monitoring Plan
final monitoring plan for the Animas and San Juan rivers following the Aug. 5, 2015, Gold King Mine incident
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Peer review comments on EPA’s fate and transport study
two peer review documents related to the agency’s draft “Gold King Mine Analysis of Fate and Transport in the Animas and San Juan Rivers.”
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Gold King Mine Data, September 22, 2015
Gold King Mine data, posted September 22, 2015.
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Water Quality Since the Gold King Mine Acid Mine Drainage Release
This page contains slides from Jan. 3, 2017 presentation
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Clone of Data used to support the EPA report
Appendix B Annex contains tables of data to parameterize the Gold King WASP model for each of the scenarios performed in the analyses..