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t <br />;, <br />~ f~'~/ ~ III IIIIIIIIIIIIINI <br />ORCI3ARD VALLEY MINE <br />~`~~ QUARTERLY WASTE DISPOSALAREA INSPECTION REPORT <br />NEW WEST RIDGE PILE <br />Item Y/N Comments <br />1. Quantity of waste material added to N There was no gob hauled to the waste disposal <br />waste disposal area this quaver? pile this quaver. The uppermost 12 feet of gob <br /> was exposed For shipment to the Nucla power plant. <br />2. Waste material deposited and compacted N Approximately half of the uppermost 12 feet of exposed <br />in 24" lilts? gob was removed and shipped out. <br />3. Drainage alterations constructed? Y Ditches were established on top of exposed gob pile <br /> so drainage to toe ditches would occur. A soil berm was <br /> maintained around the perimeter of the exposed gob <br /> area to protect outslopes and direct drainage to ditches <br /> at the toe of the pile. <br />4. Present height of waste material? Highest height approximately65.7 feet. <br />5. New bench constructed? N <br />6. Refuse material outslope placed at Y Slopes were checked for proper placement periodically <br />1 V:2H outslope'? during construction. <br />7. Adequate drainage on top of completed Y Ditches were established on top of the exposed gob to <br />fill? to ensure proper drainage from the top of the pile. <br />S. Bench drainageadequate? Y Bench drainage was maintained throughout gobshippin <br /> operations. <br />9. Outslopes covered with 4' non-toxic. Y <br />non-combustble material? <br />10. Berms constructed on outslopes? Y <br />I1. Evidence of structural detects? N <br />