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Revised 11/15/81 <br /> The habitat associated with the Purgatoire River and its surrounding <br /> areas will be protected by CF&I Steel Corporation by the current plan <br /> which will not disturb the surface of this area and the subsidence <br /> control plan which will support the surface and not cause subsidence <br /> during the life of the mine or thereafter. <br /> Protection of Hydrological Balance <br /> A surface water control plan has been prepared and is shown on the Mine <br /> Hydrology Map (Map 9) and the Sediment and Surface Water Control Plan <br /> Map (Map 13). This plan has been developed and is currently in use to <br /> direct all surface waters from within the disturbed area through <br /> sediment control structures where the water quality can be monitored and <br /> controlled prior to discharge. CF&I Steel Corporation currently <br /> monitors and plans to continue to monitor the water quality as covered <br /> under the NPDES Permits during the life of the operation. Detailed <br /> studies of the water quality associated with the surface disturbances <br /> are reviewed in Exhibit 6, Hydrology and Geology Information. Water, <br /> Waste, and Land Limited has prepared this report and has continued <br /> detailed studies of the impacts and control of surface waters and their <br /> relationship to the underground hydrologic system at the Maxwell Mine. <br /> The Regional Hydrology Map (Map 8) and the Mine Hydrology Map (Map 9) <br /> show the extensive monitoring program which CF&I Steel Corporation has <br /> installed to ensure protection of the hydrologic balance at the Maxwell <br /> Mine. <br /> A spill prevention control plan has been prepared by the CF&I Steel <br /> Corporation and is on file at the Maxwell Mine. Generally this plan <br /> calls for containing any potential oil spills and preventing the <br /> material from reaching or coming in contact with existing surface water. <br /> A system of retaining dikes and absorbent material is planned for use if <br /> a spill occurs. <br /> The rights of present users to surface and groundwater which is <br /> currently present in the area of the Maxwell Mine is reviewed in Exhibit <br /> 8, Water Well Information. CF&I Steel Corporation has completed a study <br /> 2.05-43 <br />