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Colorado Department of Public Health and Environment <br />Air Pollution Control Division <br />- MINING OPERATIONS - <br />• D. <br />Page 3 of 6 <br />^ Enclosures (Complete or Partial) <br />^ Revegetation Revegetation Must Occur Within One Year Of Soi] Disturbance <br />® Other (specify) No Control <br />Proposed Controls For Overburden Stockpile: <br />^ Watering Times/Day <br />^ Chemical Stabilizer <br />^ Compacting Of Piles <br />Maximum Stored At One Time 4,800,000 Tons <br />E. DRILLING <br />Number Of Holes Dtlled Per Day: 340 <br />Number Of Holes Drilled Per Year: 68,000 <br />Proposed Controls For Drilling: <br />^ Water Injection <br />^ Chemical Stabilizer <br />®Bag Collectors <br />® Other (specify) Auger drills <br />F <br />u <br />G. <br />H. <br />BLASTING <br />Number Of Blasts Per Day: 5 <br />Number Of $lasts Per Year: 130 <br />Type of Blasting Material Used: ANFO <br />Tons of Blasting Material Used: 850 <br />Hours Of Emissions Per Day: 0.5 <br /> <br />RAW MATERIAL REMOVAL <br />Maximum Tons Removed Per Day: 9,000 <br />Tons Removed Per Year: 1,100,000 <br />Drop Height: 8 <br />Specify Moisture Conteht: 13.0 <br />Proposed Controls For Raw Material Removal: <br />^ Moist Material <br />^ Water Spray <br />® Other (specify) No Control <br />RAW MATERIAL STOCKPILE(S) <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 />^ Enclosures Type: <br />^ Revegetation <br />^ Other (specify) <br />Revised October 2002 <br />Feet <br />%, (if known) <br />Times/Day <br />(Complete or Partial) <br />Revegetation Must Occur Within One Year Of Soil Disturbance <br />hnn://vvww. cdph e. state.co. usi ap/stab onar <br />