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-5- <br /> 15. On Site Processing: <br /> W1Solution(SO) Chemical(CH) ]a Thermal(TH) <br /> Heap Leach(HL) F-1 Vat Leach(VL) <br /> List any designated chemicals or acid-producing materials to be used or stored within permit area: <br /> none <br /> Description of Amendment: <br /> If you are amending or converting an existing operation,provide a brief narrative describing the proposed change(s): <br /> NS requests a permit amendment to change the 8,379 permitted acres to 12,248 permitted acres more or less,with the understanding <br /> that the attected acreage will not exceed acres over the lite ot the mine. Permitting 12,248 acres provides consistency wi <br /> Natural Soda's EPA UIC permit area.which allows NS to drill surface hole locations off lease. NS is adding seven production wells: <br /> 121-1-I1R,401 H-I (options 1 and 2),401 H-IR(options 1 and 2),4021-1-I,402H-R,4031-1-I, and 403H-R.These wells will be drilled on <br /> inch insulated carbon steel pipelines from the plant to the vicinity of the 15H-SSMW well,they will be insulated and laid on the ground. <br /> Nb is grading a small area immediately south ot the plant o allow additional employee parking. <br />