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20 December 2019 AdvancedGeo <br /> AGE Project No. 10-1768 Environmental <br /> Page 5 of 20 <br /> Facility parking of hauling trucks and trailers and employee or visitor vehicles are <br /> designated by Facility Management. Fueling operations are conducted solely at the <br /> designated loading/unloading area of the AST area south of the fuel island. Maintenance, <br /> repair and paint operations occur solely within designated Facility buildings. <br /> Approximately 80 percent of the Facility's ground surface area is paved with concrete or <br /> asphalt or has structure roof cover. The remainder consists of compacted gravel, grass <br /> and low-lying vegetation. <br /> The Facility location map is included as Figure 1. Site diagrams including the location of <br /> oil containers, building locations, oil changing bays and critical spill control structures are <br /> depicted in Figures 2 through 4. As required under 40 CFR 112.7(a)(3), the Facility <br /> diagram indicates the location and content of ASTs, transfer stations and connecting <br /> piping, where appropriate. <br /> 3.5.3. Distance to Navigable Waters and Adjoining Shorelines and Flow Paths <br /> The Facility is located on relatively level terrain. Surface drainage generally flows toward <br /> drain inlets which direct surface water to the storage basin to the east. The nearest <br /> navigable water or adjoining shoreline is Bear Creek, south of the Facility. Spill <br /> trajectories are indicated on Figure 2. Storm drains are located onsite and direct surface <br /> sheet flow to the retention pond. <br /> 3.5.4. Discharge History <br /> The Facility has not had any discharges since the last revision of this SPCCP. Table 4 <br /> summarizes the Facility's discharge history. <br /> 3.5.5. Material Stored at this Facility — 112.7(a)(3)(i) <br /> Oil storage at the Facility consists of twelve (12) aboveground storage tanks (ASTs) and <br /> various 55-gallon drums containing petroleum product and various waste. Facility <br /> containers are summarized below and included in Table 3. The a <br /> <br /> Tank Te Capacity Contents Location Active <br /> yp <br /> ID Gallons <br /> 1 Vertical AST <br /> Sin le Wall Steel 20,000 Diesel South of Fuel Island Yes <br /> 2 Vertical AST 10,000 Diesel South of Fuel Island Yes <br /> Single Wall Steel <br />