Abandoned Mines Cleanup: Additional Documents

These documents provide more information about EPA's work related to cleaning up abandoned uranium mines on the Navajo Nation.

• Treatability Study: High Pressure Slurry Ablation at Three Navajo Abandoned Uranium Mines (pdf) (6.69 MB, December 2023)
  EPA conducted a treatability study of High Pressure Slurry Ablation treatment technology as applied by Disa Technologies, LLC at three Navajo Abandoned Uranium Mine (AUM) sites to evaluate the technology’s effectiveness at removing metals and radionuclides from waste rock at AUM sites.
  • File Appendices to the Treatability Study (zip) (240 MB, December 2023)
    Appendices to the treatability study of High Pressure Slurry Ablation treatment technology as applied by Disa Technologies, LLC at three Navajo Abandoned Uranium Mine (AUM) sites to evaluate the technology’s effectiveness at removing metals and radionuclides from waste rock at AUM sites.
• Fact Sheet: Abandoned Uranium Mine Settlements on the Navajo Nation (pdf) (977.59 KB, November 2022)
  This fact sheet provides information on the separate enforcement agreements and settlements to address abandoned uranium mines on the Navajo Nation.
• Abandoned Uranium Mines Workforce Development (pdf) (1.08 MB, January 2018)
  This factsheet provides information about how cleaning up abandoned uranium mines on the Navajo Nation creates safe jobs for Navajo workers and provides opportunities for Navajo businesses.
• August 2016 Newsletter: Cleaning Up Abandoned Uranium Mines (pdf) (703.38 KB, August 2016)
  The Tribal Lands Cleanup ‘Update’ newsletter features stories and other useful information about progress on evaluation and cleanup of abandoned uranium mines.
• USEPA Support for Navajo Nation (pdf) (807.08 KB, April 2016)
  This factsheet describes the financial and technical support USEPA has provided to the Navajo Nation.
• Sign Example: "Water From This Well is Not Safe to Drink" (pdf) (816.04 KB, June 2015)
  A sign to place on wells that have exceeded human drinking water standards for uranium & other contaminants.
• Sign Example: "Danger - Keep Out" (pdf) (230.92 KB, December 2013)
  Navajo and English language sign warning to keep out of dangerous contaminated mine areas.
• Gamma Goat in... The Dangers of Uranium! (pdf) (1.09 MB, February 2008)
  Educational booklet for children about the dangers of uranium contamination and abandoned mines. By learning the safety tips given by Rad Rabbit and Gamma Goat, children will know what to do if they come upon an old abandoned uranium mine