Section 9 Lease Mines Technical Reports

Technical reports related to Section 9 Lease Mines, three abandoned uranium mine sites located near the Little Colorado River in Northern Arizona.

• Final Section 9 Lease Mines Engineering Evaluation/Cost Analysis (EE/CA) (pdf) (22.26 MB, November 19, 2024)
  This engineering evaluation/cost assessment (EE/CA) develops and evaluates alternatives for addressing the risks to human health and the environment associated with mine waste and contaminated soils remaining at the Section 9 Lease Mines, Western Abandoned Uranium Mine Region, Coconino County, Arizona.
• Removal Site Evaluation Report: Babbit Ranches LLC (Section 9 Lease Abandoned Uranium Mine) (pdf) (234.06 MB, March 18, 2021)
  Removal Site Evaluation Report for Babbitt Ranches, LLC – Milestone Hawaii Stewardship Project (Section 9 Lease Abandoned Uranium Mine). CERCLA Docket No. 2016-13. [NOTE: VERY LARGE FILE! RIGHT-CLICK (OR ALT-CLICK) AND SAVE TO YOUR DESKTOP]
• Section 9 Lease Mines Inspection Report (pdf) (12.84 MB, 06/2014)
  EPA's site inspection assessing the risks posed by the Section 9 Lease Abandoned Uranium Mines.
• Section 9 Lease Mines Preliminary Assessment (pdf) (48.77 MB, 11/2012)
  EPA's preliminary assessment reviewed information on the Section 9 Lease mines to determine that additional investigation was needed (very large file).