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Spill Prevention, Control and Countermeasure Plan Tesla Treatment Facility Page 32 of 45 2.11.2 Valve Security The bulk storage tanks and day tanks in the standby power generators are equipped with fill caps and lockable lids. The storage tank inside the substation transformer has a bolt-on main tank cover that can only be removed for tank access by trained personnel. The drain valves for all oil storage tanks, which permit direct outward flow of the tank's contents, are mechanically plugged closed when in non-operating or standby status. 2.11.3 Lock Starter Controls The pump starter control at the bulk storage tanks is kept in the"off'position and the control panel is accessible only to authorized facility operators when the pump is not operating. The three (3) SimplexTM fuel pumps, SmartFilterTM, SimplexTM transfer pump, and SimplexTM Automated FuelPort consoles are kept locked at all times to prevent unauthorized access. The generators' access doors remain locked at all times. The access door to the interior of the substation transformer where the oil-filled tank, valves and sensors are located are kept locked at all times. The tank inside the substation transformer has a bolt-on main tank cover that can only be removed for tank access by trained personnel. 2.11.4 Cap or Blank-Flange Connections To unload their fuel delivery into the bulk storage tanks,the drivers of fuel delivery trucks connect to the tank filling port located in the loading/unloading area on the south side of the bulk storage tanks to unload their fuel delivery. The loading/unloading area is equipped with a SimplexTM Automated FuelPort that provides for ground-level connection of the truck fill hose, has a capture basin for containment of spills or drips that may occur during filling operations, and the system is equipped with automatic filling and overfilling protection control devices and alarms. 2.11.5 Facility Lighting The Tesla Treatment Facility is in operation twenty-four(24)hours per day, seven(7)days a week and equipped with adequate outdoor lighting to allow for nighttime operations and inspections of facilities. The outdoor lighting that illuminates the facility at night prevents and deters acts of vandalism. Although sufficient lighting is provided to allow safe night-time fueling, night time deliveries seldom occur and only during emergency situations. 2.12 Tanker Truck Loading and Unloading Rack [40 CFR§112.7(h)] 40 CFR 112.7(h)of the SPCC Rule applies to traditional loading/unloading racks for tanker trucks. As defined in Section 40 CFR§112.2, a traditional loading/unloading rack means a fixed structure such as a platform necessary for loading or unloading a tanker truck and one that includes a loading/unloading arm comprised of a movable piping assembly. 40 CFR§112.7(h) is not applicable to the Tesla Treatment Facility because the Emergency Power Generation Facility where tanker trucks load/unload fuel does not have a loading/unloading rack as defined in Section 40 CFR§112.2 of the SPCC Rule.