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March 2016 Memo: Planning for Removal and Remedial Activities at Hardrock Mining and Mineral Processing Sites with Fluid Hazards

Memo from EPA Assistant Administrator Mathy Stanislaus, regarding planning for removal and remedial activities at hardrock mining and mineral processing sites with fluid hazards, and to share the Agency’s expectations for the work that is done at these sites. 

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(Clicking anywhere below will take you to a single PDF that includes the memo and all attachments).

Mathy Stanislaus memo regarding planning for removal and remedial activities, including:

  • Attachment 1: Hydraulic Hazards Identified by the Regions (
  • Attachment 2: Refinement of Mine Site Categories (
  • Attachment 3: FY16 Planned Activities at Category 2 and 3 Sites which May Increase Hydraulic Hazard (
  • Attachment 4: Consultation Package for Fiscal Year 2016 Planned Activities that May Increase Fluid Hazard at Mining and Mineral Processing Sites (PDF) (