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<br />Narrative <br /> <br />1. The current static of the open pit sand and gravel <br />operation is small scale although continuous operation, <br />with portable crushing, screening, and stockpiling <br />operations on site for two to three months every three or <br />four years. Average crushing operations on site are less <br />than 30 days per annum. <br />2. Crushing and screening operations on site for limited <br />periods operate under valid Colorado Dept. of Health Air <br />pollution Control Emission Permits issued for the <br />specific mobile crushing and process equipment. Fugitive <br />dust control measures and process limitations are <br />followed as listed on the permits for the individual <br />crushing system on site. <br />3. pit haul roads and accessways are kept as flat as <br />possible. A maximum of thirty feet of elevation change <br />is experienced in tfie mining area including stockpiles, <br />resulting in minimal potential erosion during a time of <br />severe rain or snow melt. <br />4. Due to the location of this deposit, it is strategic to <br />inter Big Horn Sheep Canyon Highway paving programs <br />involving asphaltic materials for Highway US 50. When in <br />operation as described above in conjunction with crushing <br />and screening operations, asphalt batch plants are <br />operated in accordance with good engineering practices <br />and within guidelines and limitations as described in the <br />plant's' Air Pollution Control Permit. Process liquids <br />produced during the batching operation are collected in <br />Bolding areas directly beneath the batching vessels are <br />recycled into the production sequence. Clean up of all <br />asphalt batoliing materials including recycled asphaltic <br />road materials will be accomplished with the recycling of <br />all asphaltics back to tfie road surfaces. <br />No process waters are produced or discharged to <br />stormwater drainage ditches. <br />5. Fuels and Lubricants are currently stored at the Eastern <br />end of the mining property near the scales and <br />maintenance area. Lubricants are kept in a semi trailer- <br />enclosure. Fuel is stored in above ground tanks of up to <br />2000 gallons capacity. No underground tanks are on the <br />property. <br />b. During times of expanded mine operations crushing, <br />screening, asphalt batching, water truck operation is <br />employed on all haulage and access ways. <br />-4- <br />