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This was developed in 1979/80 following the Colorado Department <br /> of Health guidelines for "Emission Factors for Mining Operations . " <br /> 6. Preparation Plant <br /> a. Truck Dianp (into hopper) - - <br /> .002 lbs/ton x 1,128,000 T = 0.11 tpy <br /> b. Conveyor Belt (partially enclosed) <br /> Dump to Storage <br /> 0.20 lbs/ton x 1,128,000 T = 112.8 tpy x 9% <br /> reduction = 11.28 tpy <br /> c. Raw Coal Storage - 600 Ton (two bins) <br /> In and Out (covered) <br /> .0004 lbs/ton x 1,128,000 T = 0.23 x 2 = 0.46 tpy <br /> d. Conveyor Belt (partially enclosed) <br /> Storage to Wash Plant <br /> 0.20 lbs/ton x 1,128,000 T = 112.8 tpy x 90go <br /> reduction = 11.28 tpy <br /> e. Conveyor Belt (partially enclosed) <br /> Wash Plant to Thermal Dryer <br /> 0.20 lbs/ton x 1,000,000 T = 100.0 tpy x 90% <br /> reduction = 10.00 tpy <br />