Rosemont Site Surface Soils Geochemistry

Document ID: 012415

This technical memorandum presents an assessment of the potential for leachingi of pollutants from surface soils from seepagei generated from the Dry Stack Tailingsi Facility or Waste Rocki Storage Area associated with the proposed Rosemont Copper Project (RCP). It is provided in response to the Arizona Department of Environmental Quality (ADEQ) Initial Hydrology Review Letter dated October 8, 2009, which identified 13 technical deficiencies requiring a response necessary to complete the review of the Rosemont Aquiferi Protection Permit Application (Tetra Tech, 2009a). This technical memorandum directly responds to Technical Deficiency Item 8b in the letter, which is provided in attachment 1.