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SPCC Plan:Ralph Hayes&Son, Inc.,20177 S.McArthur Dr., Tracy,California(October 2020) 10 3. DISCHARGE PREVENTION-GENERAL SPCC PROVISIONS The following measures are implemented to prevent oil discharges during the handling,use,or transfer of oil products at the facility. Oil-handling employees have received training in the proper implementation of these measures. 3,1 Discharge Prevention Measures (Ref 112.7 (a)(3)(ii) ASTs are inspected by following a regular schedule(monthly and annually)in accordance with the Steel Tank Institute(STI)SPOO I tank inspection guidance as provided in Appendix B.Any leakage from the containers would be detected visually during scheduled inspections by facility personnel. Sorbent materials and spill kits are kept in the vicinity of oil storage areas and there are no storm drains onsite.Any leak from an oil storage container would be readily detected by facility personnel before it could cause a discharge to navigable waters or adjoining shorelines. Oil storage areas are maintained in a clean, orderly manner to minimize the potential for pollutants to leave the facility. These areas are: the bulk storage secondary containment structure, maintenance area secondary containment structure, and transfer areas. Dirty rags, empty containers,broken or worn out equipment and parts are properly disposed of on a regular basis. ASTs and associated piping are kept free from debris so that any leaks or spills can be observed. All empty tanks will be labeled appropriately. Detailed procedures for prevention of discharges during the transferring of products at the facility, including loading and unloading procedures,are provided in Section 15 of this plan. 3.2 Discharge and Drainage Controls (Ref 112.7 (a)(3(iii)) This facility includes a number of discharge and drainage controls including appropriately sized containment structures. These controls are discussed in detail in Section 5. The facility will implement several material-management practices and there are structural and non-structural controls in place to prevent pollutants from entering stone water run-off. The existing structural and non-structural controls utilized to reduce pollutants in stone water runoff from the property include: 1. Secondary containment placed around the bulk storage ASTs; 2. Immediate cleanup of spills and leaks. Permitted discharges at the facility may include wastewaters from sinks, toilets, emergency showers, drinking fountains and eyewash stations. All sanitary wastes are directed and discharged into the municipal sanitary sewer system of the City of Tracy. 3.3 Countermeasures ((Ref 112.7 (a)(3)(iv)) Countermeasures to prevent oil discharges involve the timely inspection and maintenance of spill containment devices as well as inspecting and testing facility equipment and systems to uncover conditions that could cause breakdowns or failures resulting in discharges of pollutants to surface waters. Specific discussions on inspections to be performed are discussed in Section 7 of this Plan. McGinley Project.,RHS001 McGinley&Associates Inc.