4.1 PCSR 07-09-2013 - Laserfiche WebLink

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The processes and practices for the facility, as outlined in the 1994 EIS will remain the same. The traffic generated by the mining operation will continue at roughly the same volume as the past several years and includes aggregate trucks hauling on Highway 169. Erosion and runoff will be controlled during the mining process by the excavation itself. The excavation will be sloped towards the interior of the property, causing runoff and any potential erosion to flow towards the center and floor of the mine. Dust will be controlled by the ambient moisture content of the aggregate deposit itself, which is a very effective suppressant of airborne dust. In addition,the mine floor and internal haul roads will be sprayed with water to further reduce dust. Chloride may also be applied to the haul roads, if necessary. The Company presently operates the Elk River facility under the following environmental permits: Aboveground Storage Tank License Air Permit Hazardous Waste License Sara Title III and Tier II Spill Prevention, Control and Countermeasures Plan Storm Water Permit Water Appropriations Permit The Company employs a rigid Environmental Management System at all of its sites. The risk of chemical or petroleum pollution is very small. Diesel fuel, motor oil and gasoline will be present in the equipment and vehicles on site. A designated employee will conduct daily, weekly and monthly environmental inspections during active operations to ensure that all environmental procedures are being followed. Each site maintains a "site" specific Storm Water Pollution Prevention Plan, as well as "operational" specific environmental site procedures which include a spill response procedure. Site personnel are trained on these procedures, and spill response materials are readily accessible on-site in the event of a spill.