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Spill Prevention,Control,and Countermeasures Plan City of Ripon Fueling Station Page 11 Table 4—Visual and Non-Destructive Container Shell Inspection Container Volume Inspection (Tank Category) Type (gallons) Contents Frequency* T1 (I) F 10,000 Diesel M,A,E(20) IL T2 (1) F 10,000 Gasoline M,A, E(20) Note F—Fixed tank—AST Inspection Checklist(Monthly and Annual;M—Monthly;A—Annual;E—External Inspection (every 20 years) *Monthly and annual frequency refers to visual inspections by facility personnel and external and internal inspections require a certified inspector. Records of visual inspections of oil storage containers are to be completed monthly (STI SP001 Monthly Inspection Checklist)and annually(STI SP001 Annual Inspection Checklist).Records of visual inspections are to be maintained at the Facility for a period of 3 years. Visual inspection findings are to be entered on forms provided in Appendix 7.Records of inspection should be dated and include the name of the in-house inspector. Visual inspections are to include: • Written documentation and, when appropriate, photo documentation of the external condition of all oil containers that meet or exceed a capacity of 55 gallons. Visual inspections are to be used to document any observed oil container deterioration associated with metal and rubber components, tank supports and foundation, and on the exterior tank surface for signs of deterioration, leaks or accumulation of oil inside secondary containment structures. The written documentation will also include the action(s) taken to mitigate the deteriorated oil container, i.e., removal of the oil container from service,repair of the oil container, etc. • When present, the visual inspection will also focus on oil container valves, pipes, and appurtenances, the general condition of such items as flange joints, expansion joints, valve bodies and glands,catch pans,and pipeline supports. The visual inspection is to also include checks of the proper locking of oil container valves. If corrosion is found, in-house inspectors are to undertake additional examination and corrective action, as indicated by the magnitude of the damage. • In-house inspectors are to also inspect water in secondary containment before being discharged. Facility personnel are to promptly correct visible discharges which result in a loss of oil from a container, including but not limited to seams,gaskets,pipes,pumps,valves,bolts,etc. In addition, Facility personnel will remove accumulated oil from containment areas. Formal integrity inspection reports provided by a certified inspector are to be maintained at the Facility for the life of the tank. 1.7 TRAINING [40 CFR 112.7(f)] At the time of hire, City personnel who will be working around and with oil containers are to be given Facility oil product transfer instructions.The oil product transfer instructions are to be periodically reviewed with City personnel working around and handling oil containers. On an annual basis, training specific to the handling of the Facility oil products is to include procedures for the proper operation and maintenance of equipment to prevent discharges, a discussion to facilitate the adequate understanding of the Facility's SPCC Plan,procedures for accidental spill and release response,product health hazards, and the Facility's security policy. The appropriate Facility personnel are to receive training in proper completion of the �i� CONDOR