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15. On Site Processing: <br />0 Solution (SO) 51 Chemical (CH) n Thermal (TH) <br />Li <br />List any designated chemicals or acid - producing materials to be used or stored within permit area: <br />Zanthate , Copper Sulfate (DRMS Designation) <br />Description of Amendment: <br />Heap Leach (HL) a Vat Leach (VL) <br />-5- <br />If you are amending or converting an existing operation, provide a brief narrative describing the proposed change(s): <br />Increased permit area from 9.9 acres to 274.7 which combines the May Day and Idaho Mine permit <br />application in the May Day - Idaho Mine Permit Application. Includes roads, bridges, future <br />exploration, and rock storage areas. <br />