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Spill Prevention, Control, and Countermeasure Plan Love's Store #538, Lodi, CA December 2021 0 0 anteagroup 4.6 DISCHARGE/DRAINAGE CONTROLS [40 CFR 112.7(A)(3)tiagj This section describes discharge or drainage controls such as spill containment materials and secondary containment around containers and other structures, equipment, and procedures for the control of a discharge. Spills at the USTs could occur due to overfilling the USTs during re filling, or cracks, breaks, and corrosion in the USTs and underground product lines. Spills due to cracked, broken, or corroded tanks or piping would occur below grade. Piping and USTs are installed in pea gravel. Tank basin monitoring wells are installed in the pea gravel to monitor below -grade releases. In addition, the tanks and lines are double -walled fiberglass with continuous interstitial monitoring and level monitoring in the tanks themselves. Fuel inventory records are maintained at the facility. Significant inventory discrepancies will trigger spill response actions, such as tightness testing and tank pad well monitoring. USTs are filled periodically from fuel delivery trucks owned and operated by Love's. The standard operating procedure (SOP) for fuel deliveries is described in Section 4.17 Facility Loading/Unloading [40 CFR 112.7(h)]. The SOPs were designed to minimize spills during deliveries and to comply with regulations and requirements established by DOT. Small spills at the USTs during re -filling would be contained in the secondary containment at the fill port (a.k.a. he 'spill bucket'). If spill buckets overflowed, product would flow to a catchment basin to the west of the USTs. The three (3) diesel and one (1) biodiesel ASTs located northwest of the main store area are double -walled steel tanks. Secondary containment consists of double-wall tank construction that is an integral part of the oil storage tanks. The tanks are surrounded by 8 -inch curbing that provides general containment for transfers and the aboveground piping. The curbing has a drain at the low end to direct fluids to OWS. The tanks are double walled so impacts from precipitation are not necessary for the containment scenario. The eight (8) lube oil and used oil ASTs located in a storage room of the Tire/Lube Shop are all double -walled steel tanks. Secondary containment consists of double-wall tank construction that is an integral 1`j of the oil storage tanks. The tanks are double walled and located inside the Tire/Lube Shop, so impacts from precipitation are not necessary for the containment scenario. The oil -water separator is inspected regularly, and oil is removed as needed by a third -party vendor who specializes in oil removal. Oil recovered from the oil -water separator is taken off-site for disposal, preferably recycling following all CA regulations and D.T.S.0 laws. The standard operating procedure (SOP) for fuel deliveries is described in Section 4.17 Facility Loading/Unloading [40 CFR 112.7(h)]. The SOPs were designed to minimize spills during deliveries and to comply with regulations and requirements established by DOT. The PS International, Inc. Oil Water Separator (2,000 -gallon) has a probe that measures the water and oily water. The standard probe has two floats, one that measures the top of the liquid and the other measuring the oily water. When the oily water float reaches a pre -determined level from the bottom of the OWS it will send an audible and visual alarms. In addition, the OWS discharge valve will close and no liquid from the OWS will discharge to the POTW. When this happens, a measuring stick and water finding paste will be used to measure the amount of oily water and if there is a large amount it will pumped out and disposed or recycled following all CA regulations and D.T.S.0 laws. xl NOGEN` ALLIANCE 7 us.anteagroup.com