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4.11 COAL PROCESSING WASTE ~~ 'II'I~'I I II~ DOCaate. 02„/y ~, <br />Colowyo does not have a coal preparation facility, therefore the <br />requirements of certain parts of this Section are not applicable to <br />Colowyo. <br />(Not Applicable) <br />4.11.2 Burned Waste Utilization <br />(Not Applicable) <br />4.11.3 Return to Underground Working <br />(Not Applicable) <br />4.11.4 Disposal of Noncoal Waste <br />Noncoal, nonhazardous solid waste, such as garbage, used tires, <br />etc., is stored in a controlled manner around the operation in <br />various waste receptacles and waste locations. Periodically the <br />.~ waste is disposed of in the backfill area of the pit and covered <br />with a minimum twenty-five feet of overburden material. No waste <br />is allowed on the bottom of the backfill area. <br />Nonhazardous used oil and grease, flammable liquids, etc. are <br />stored in a tankfarm facility located near the shop facilities. <br />Colowyo's status as a conditionally exempt small quantity generator <br />of hazardous materials essentially indicates that Colowyo generates <br />negligible amounts of hazardous waste. The limited amount of <br />hazardous waste is handled according to applicable State and <br />Federal requirements. <br />Waste water from toilets, sinks, and showers will be disposed of by <br />means of septic tanks, underground leach fields and evaporation <br />ponds. <br />Portable self-contained toilets will be located around the <br />operation. These portable toilets will be serviced periodically <br />and the waste hauled from the mine for disposal. <br />• 4.11-1 <br /> <br /> <br />