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8. OVERBURDEN 8TOCICPZLE <br />Maximum stored at one time 250,000 tons. <br />Length of time pile remains undisturbed ~• 2 Years <br />Proposed control for overburden stockpile: (check appropriate boxes) <br />^ Watering times/day, or continuous sprinkler (to <br /> maintain moist surface). <br />^ Chemical stabilizer (Type: ). <br />^ Compacting of piles, method <br />^ Enclosures: complete, or partial (check oaa) <br />fn-~ <br />i <br />i if left in place longer <br />}~.~ Revegetat <br />on, (Length of t <br />me till revegetationrh~ne gro~~~i~g season <br />^ Other (specify) <br />^ No control <br />III. DRILLING N/A <br /> <br />MATERIAL <br />OVERBURDEN <br />ROCK <br />COAL OTHER <br />No. of holes drilled per day <br />No. of days of drilling per year <br />Hours of drilling per year <br />Proposed controls <br />Controls include: Water injection, chemical dust suppressants, bag <br />collectors, other (specify), no control <br />IV. BLASTING NSA <br /> <br />MATERIAL <br />OVERBURDEN <br />ROCK <br />COAL OTHER <br />No. of blasts per day <br />No. of blasts per year <br />No. of blasting days per year <br />Proposed controls <br />Is sequential blasting used: ^ Yes ^ No (check oas) <br />3 <br />