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4.1.7.2 Quantities of Diesel Stored and Secondary Containment at the ADR Generators <br />A total of 10,200 gallons of diesel capacity exist in the belly tanks of the ADR generators. Secondary <br />containment is provided by the "rupture tanks" described above and the ground surrounding the units. <br />The larger units have 3300 gallons of secondary containment; whereas spills from the 1200 - gallon <br />unit can be partially contained by the surrounding soil and rock surface. Jersey barricades do provide <br />collision protection and a limited amount of secondary containment for the smaller generator. <br />4.1.7.3 Spill Potential of Diesel at the ADR Generators <br />The spill potential from the ADR generator diesel tanks is rated as low, due to the fact that re- fueling <br />is periodic. <br />4.1.7.4 Spill Prevention and Control at the ADR Generators <br />The generators are situated on elevated concrete pads and are unlikely to be impacted by vehicular <br />accidents. Tank rupture is a possibility but the units are new, modern, and secure structures that are <br />inspected informally on a regular basis. <br />4.1.7.5 Spill Countermeasures (Clean -up Procedures) at the ADR Generators <br />Section 3.2 provides the general spill response procedures for use involving spills around the ADR <br />generators. The following narrative provides additional detail on spill clean up. <br />Clean -up of Spills Around the ADR Generators <br />Clean up of oil spills can be addressed with sorbent materials (pads, oil dry, "kitty litter ", and /or sand) <br />by placing these materials directly into the spilled pool of oil or grease. Sorbent pads that have been <br />used to remove petroleum products, including antifreeze, greases and oils, can be disposed of as a <br />conventional solid waste and can be placed into the commercial solid waste containers (dumpsters) at <br />various locations around the property, provided no solvents or other potentially hazardous wastes <br />have been added. Sorbent materials that have been saturated with oil but are not dripping can be <br />disposed as conventional solid waste. <br />Leaks or spills of petroleum products during transport or during product transfer will create an oil stain <br />on the ground surface. CC &V's clean -up policy is as follows: If the majority ( >50 %) of the area <br />consisting of 9 square feet (3 feet by 3 feet) is affected (stained), then the affected area will be <br />removed (i.e., the soil and oil mixture) and placed in the blast hole stemming material pile or as <br />directed by the Environmental Resources Department. <br />Free liquids with an oily sheen that are collected during mobile servicing in the field will be pumped or <br />gravity fed into appropriate containers. Oils mixed with water will be hauled to the oil skimmer sump <br />located at the New Truck Shop Wash Bay or shipped off site for recycle. <br />4.1.7.6 Inspections and Tank Integrity Testing at the ADR Generators <br />The ADR Generator diesel tanks will be inspected on amonthly basis and the form in Appendix G will <br />be used to document the inspection. Records of these inspections will be kept on file in the <br />Environmental Resources Department. <br />Tank integrity testing will be performed according to the plan provided in Appendix J. <br />4.1.7.7 Conformance with Regulations at the ADR Generators <br />Applicable state and local guidelines are assumed to be the same as the Federal Regulations at 40 <br />CFR Part 112, and therefore, under 40 CFR Part 112 the oil storage containers and secondary <br />Spill Response Plan August 17, 2010 <br />EMS: AGANA/CCV Doc. # E -006 <br />G: \EMS1PIans \Emergency Response Plans\SRP PIan\SRP Plan.doc Revision 05 <br />Printed Copies are Uncontrolled <br />27 <br />