2012-02-28_REVISION - M1980244 (104)

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Note all tanks sizes are approximate. Cripple Creek & Victor Gold Mining Company Cresson Project Mine Life Extension 2 14 -5 and concentrated tank - 8,000 gallons in concentrated tank Holding and concentrated tank are within the ADR containment including concrete floor and curbing with sumps and pumps. All is underlain by liner that drains to VLFs. are added as make up water to process solutions. Potassium Amyl Xanthate Floats the gold in the flotation circuit High Grade Mill facilities Covered storage on containment outside of the High Grade Mill building Anticipated shipment of 4 trucks /year of 20 tons /truck Shipped in barrels typically containing about 300 pounds at 10% xanthate 700 gallon collector mix tank 700 gallon collector storage tank Concentration @ 0.07 lbs. per ton of feed ore Primary containment is barrel and secondary containment is the concrete pad on which the barrels will be stored. Tertiary containment is the liner system underlying the High Grade Mill platform that will drain to the SGVLF. Gets carried with floated material in the froth and then is destroyed in process solutions with the addition of lime and sodium cyanide. Dithiophosphate Combines with xanthates to float the gold in the flotation circuit (particular effective for native gold) High Grade Mill facilities Stored within containment inside High Grade Mill building to prevent freezing Anticipated shipment of 4 trucks /year with 20 tons /truck Shipped in totes of approximately 1800 pounds each Concentration @ 0.07 lbs. per ton of fee ore Primary containment is tote and secondary containment is the concrete floor and curbing within the High Grade Mill building where the totes will be stored. Tertiary containment is the liner system underlying the High Grade Mill platform that will drain to the SGVLF Gets carried with floated material in the froth and then is destroyed in process solution with the addition of lime and sodium cyanide. Frother Used to form stable bubbles for floating the gold in the flotation circuit High Grade Mill facilities Stored within containment inside High Grade Mill building to prevent freezing Anticipated shipment of 2 trucks /year with 20 tons /truck Shipped in totes of approximately 1800 pounds each Concentration @ 0.01 lbs. per ton of feed ore Primary containment is tote and secondary containment is the concrete floor and curbing within the High Grade Mill building where the totes will be stored. Tertiary containment is the liner system underlying the mill platform that will drain to the SGVLF Recycled with water from flotation circuit, eventually breaking down into non -toxic forms. Note all tanks sizes are approximate. Cripple Creek & Victor Gold Mining Company Cresson Project Mine Life Extension 2 14 -5