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03 <br /> GILASS <br /> S <br /> d FE <br /> impervious, based upon the construction material and the lack of any visible migration pathways. <br /> The gross containment capacity of the berm is 378 gallons, which is sufficient to contain the <br /> maximum volume of the tank and allows sufficient freeboard for precipitation of 2.28 inches for the <br /> 25-year, 24-hour worst rainfall event. <br /> 8.1.3 Diesel Fuel ASTs at Bldg D Fire Pump (on west property boundary) <br /> A single-walled diesel fuel tank was taken out of service in 2010 and a double-walled diesel fuel <br /> tank was added. Since the single-walled diesel fuel tank remains on-Site in the fire pump shed and <br /> is not considered "closed" by the SPCC Plan standards, the single-walled AST remains in the <br /> SPCC Plan. A double-walled AST was installed outside the Bldg. D Fire Pump shed. The double- <br /> walled tank was designed to contain at least 100% of the interior primary tank. <br /> 8.1.4 1,000-gallon Used Oil ASTs (ground level of furnace building) <br /> The two 1,000-gallon used oil ASTs are double-walled tanks and therefore satisfy the requirements <br /> of 112.8(c)(2). The double-walled tanks were designed to contain at least 100% of the interior <br /> primary tank. <br /> 8.1.5 Three Emergency Generators <br /> The diesel-powered emergency generators are located on the ground level of the furnace building. <br /> These generators are located in areas that a release of the maximum tank capacity would not <br /> discharge off-Site through surface flow based on the topography of the areas being lower elevation <br /> than the property boundary. The areas are provided with general secondary containment to prevent <br /> an off-Site discharge of oil. Potential releases would be limited to less than 195 gallons and would <br /> be cleaned up before flow off-Site could occur. <br /> 8.1.6 Two Biosol Mixing Tanks <br /> The Biosol mixing tanks are located indoors. The building provides secondary containment for each <br /> tank. The tanks are located at a distance that a release of the entire tank's contents should not be <br /> able to discharge off-Site to a surface water body. If a release were to occur from the Biosol mixing <br /> tanks, it would flow to the cullet sump system on the ground level of the furnace building. <br /> 8.1.7 Drums and Totes Containing Oil <br /> Drums and totes are stored inside the Blue Barn (main accumulation building) and at various <br /> locations throughout the Facility for use. The Blue Barn is constructed with a concrete berm and <br /> floor and provides secondary containment for each container. Spill pallets are utilized as secondary <br /> containment for drums and totes located throughout the Facility. <br /> 8.1.8 Transformers and Compressors <br /> There is no dedicated secondary containment provided for transformers/compressors. Spill <br /> prevention measures for this oil-filled operational equipment complies with the alternative <br /> requirements per 40 CFR 112.7 (k)(2). <br /> GHD I Spill Prevention,Control,and Countermeasure(SPCC)Plan 1085405 1 Page 17 <br />