This technical memorandum presents an assessment of the potential for leaching of pollutants from surface soils from seepage generated from the Dry Stack Tailings Facility or Waste Rock 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 Aquifer Protection Permit Application (Tetra Tech, 2009a). This technical memorandum directly responds to Technical Deficiency Item 8b in the letter, which is provided in attachment1.
Rosemont Site Surface Soils Geochemistry
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