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No dust control chemicals used. (In actuality, air permit requirements will <br />have to be met and magnesium chloride brine, sodium lignite, or other dust <br />control chemicals will be applied to areas with high traffic. <br />No water from any source other than the irrigation water used. <br />No open water for industrial use except wash pits (included in wash water <br />use). (Other open water is agricultural use, per past practice.) <br />As no ground water is exposed (by mining below the water table) and no water is <br />retained in surface impoundments except for customary agricultural use, no <br />requirement for a substitute water supply plan to be prepared and submitted to the <br />State Engineer, pursuant to SB 89-120 and SB 93-260 has been identified. A <br />temporary water use agreement will probably be necessary to allow landowners' <br />irrigation water to be used on a temporary basis each year for the above purposes, <br />with such water to be provided together with irrigation water delivered for the <br />normal irrigation season. <br />Based on preliminary calculations, the water available from irrigation appears to be <br />adequate for water used for mining purposes. Colorado soil management and <br />conservation rules will be implemented to protect surface and ground water quality <br />and improve watershed management. <br />G-4. WATER REGULATORY INFORMATION: <br />1. Storm water management/discharge: The Applicant has obtained coverage <br />under a Colorado Discharge Permit System permit for any discharge of storm <br />water, dewatering flows, and process water, before initiating mining <br />activities. Coverage is under a general storm water discharge permit issued <br />by CDPHE-WQCD, as required for mining and land disturbance of this size. The <br />CDPS permit is the equivalent of an NPDES permit for the state of Colorado. It <br />is not planned to discharge such waters, but rather, to allow that water to <br />infiltrate into undisturbed terrace alluvium. <br />2. Water rights/use: The landowner provides water for mining operations from <br />existing water rights, and has filed appropriate plans and agreements for <br />temporary use of agricultural water for municipal and industrial uses. <br />3. Waste water disposal and treatment: No sanitary waste water is expected to <br />be generated by mining activities; chemical latrines and holding tanks for <br />sanitary facilities will be used as necessary. No non-sanitary waste water is <br />expected to be discharged from the site; if waste water is generated by <br />mining or related activities (such as wash water), it will be retained on-site, <br />and recycled or allowed to evaporate/infiltrate. <br />4. Wetlands information (USACE, NRCS, or FWS jurisdiction): Review of NRCS <br />maps for the area show a number of wetland delineated and inventoried in <br />the area to be mined and on the property. Codes/Classifications: PABFh: <br />Palustrine, Aquatic Bed, Semipermaently flooded, diked/impounded; PABFx: <br />same but excavated instead of impounded. PEMB: Palustrine, Emergent, <br />Saturated. Palustrine systems are lentic wetlands. These are all common in <br />the area. The only wetlands in the affected area are the PABFx: that is, the <br />excavated ponds in the pit itself - manmade and maintained. Because <br />Exhibits for 112(c) AM-02 Application - M-1994-108-2010- Page 41