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berm. All stockpiles that will be in place for more than one year will be seeded using the prescribed <br />mix shown in the Reclamation Plan. <br />Sediment Pond Excavation <br />After topsoil is removed to an average depth of 16 inches over the sediment pond area, the pond will <br />be excavated. The subsoil will be placed in a fill stockpile located east of the water treatment area <br />leach field as shown on Map C-2. An estimated volume of 4,608 cy of subsoil will be stockpiled. <br />9. Fuel and Oil Storage Areas <br />Diesel fuel and various oils for use in mobile equipment and generators will be stored and used on site. <br />Secondary containment will be provided for all petroleum products. In most cases, secondary tank <br />containment will consist of an oversized livestock water tank within which the fuel or oil tank will be <br />placed. All tanks containing fuel, oils or other petroleum products will be inspected daily during <br />• normal operations. Leaks will be promptly repaired and any spilled product or contaminated soils will <br />be placed in containers or designated storage areas for later sampling and disposal. <br />The utility company will supply electrical power to the site; however, small generators may be used <br />initially to supply power to the main facilities, remote ventilation fans, and to the water treatment <br />trailer. These generators will be located within their respective trailers for secondary containment and <br />security purposes. Fuel tanks will be located in the base of the generator or as separate tanks contained <br />within larger livestock tanks for spill containment purposes. Once electrical power is available on site, <br />the generators will be removed and/or used for emergency backup. <br />A Spill Control, Containment, and Contingency (SPCC) Plan for storing and using petroleum products <br />will be prepared and implemented for the site in accordance with federal and state regulations, as the <br />total aboveground storage of fuel and oil in containers of 55 gallons or more will exceed 1,320 gallons. <br />A current plan has been included in Appendix F. A summary of fuel and oil storage at the site follows. <br />C7 <br />Whirlwind Mine 07 (rev. April OS) D-20 <br />