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B. <br />.Maximum stored at one time: 4,867,000 tons. Length of time pile remains undisturbed: approx. 180 days . <br />Proposed control for overburden stockpile: (check appropriate boxes) <br /> <br />III. <br />• <br />[ V, <br />• <br />Watering: times/day, or ^ continuous sprinkler (to maintain moist surface). <br />Chemical stabilizer (Type: <br />Compacting of piles, method: <br />Enclosures: complete, or partial (check one). <br />Revegetation (Length of time till revegetation: <br />Other (specify): <br />No control <br />DRILLING <br />MATERIAL OVERBURDEN ROCK COAL OTHER <br />No. of holes drilled er da 90 max 250 max <br />No. of da s of drillin er ear 200 200 <br />Hours of drillin er ear 3200 max 3200 max <br />Pro osed controls Ba collectors Au er & No control <br />Controls include: Water injection, chemical dust suppressants, bag collectors, other (specify), no <br />control <br />BLASTING - N/A <br />MATERIAL OVERBURDEN ROCK COAL OTHER <br />No. of blasts er da 2 3 <br />No of blasts er ear 65 65 <br />No. ofblastin da s er ear 65 I50 <br />Proposed controls Multiple decking & <br />multiple line by line <br />with surface dela s Multiple <br />line with <br />dela s line by <br />surface <br />[s sequential blasting used: ^ Yes ~ No (check one) <br />3 <br />