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Colorado Department of Public Health and Environment <br />Air Pollution Control Division <br />- 1VIINING OPERATIONS - <br />• <br />D. OVERBURDEN STOCKPILES <br />Page 3 of 6 <br />Maximum Stored At One Time 4,867,000 Tons <br />Proposed Contro]s For Overburden Stockpile: <br />^ Watering Times/Day <br />^ Chemical Stabilizer <br />^ Compacting Of Piles <br />^ Enclosures (Complete or Partial) <br />^ Revegetation Revegetation Must Occur Within One Year Of Soil Disturbance <br />® Other (specify) No Control <br />E. DRILLING <br />Number Of Holes Drilled Per Day: <br />Number Of Holes Drilled Per Yeaz: <br />Proposed Controls For Drilling: <br />^ Water Injection <br />^ Chemical Stabilizer <br />~ Bag Collectors <br />® Other (specify) <br />340 <br />68,000 <br />Auger drills <br />• <br />C~ <br />F, <br />G. <br />H. <br />BLASTING <br />Number Of Blasts Per Day: 5 <br />Number Of Blasts Per Year: 130 <br />Type of Blasting Material Used: ANFO <br />Tons of Blasting Material Used: 650 <br />Hours Of Emissions Per Day: 0.5 <br />RAW MATERIAL REMOVAL <br />Maximum Tons Removed Per Day: 9,000 <br />Tons Removed Per Year: 1,100,000 <br />Drop Height: 8 Feet <br />Specify Moisture Content: 13.5 %, (if known) <br />Proposed Controls For Raw Material Removal: <br />^ Moist Material <br />^ Water Spray <br />® Other (specify) No Control <br />RAW MATERIAL STOCKPILES <br />Times/Day <br />^ Enclosures Type: (Complete or Partial) <br />^ Revegetation Revegetation Must Occur Within One Year Of Soil Disturbance <br />^ Other (specify) <br />Maximum Stored At One Time: N/A <br />Proposed Controls For Raw Material Stockpile: <br />^ Watering <br />^ Chemical Stabilizer <br />^ Compacting Of Piles <br />Revised October 2002 <br />httn://www.cdphestate. co. us/ap/stationarv.asn <br />