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i Table F —Tank Inspection Summary II Periodic Formal Formal STI Storage External External Leak Test j Tank ID Inspection Category Capacity Interval Inspection Inspection Interval Interval Interval (gallons) Monthly Yearly (years) (years) (years) AST-1 11 10;000 Yes Yes 20` _ NR NR AST-2 1 10,000 Yes Yes 20 NR NR A8T-3 1 10;000 -Yes Yes 20 AR' NR AST-4 1 10,000 Yes Yes 20 NR NR Drums 1 55 each Yes Yes NR* NR* NR* NR=Not Required *=Owner shall either discontinue use of portable container for storage or have the portable container DOT (Department of Transportation)tested and recertified per the following schedule Plastic portable container-every 7 years Steel portable container-every 12 years Stainless Steel portable container-every 17 years Periodic AST Inspections (Monthly and Yearly) / Visual inspections of ASTs by facility personnel are performed according to the procedure described in this SPCC Plan. The visual inspections should consist of a complete walk-through of the facility property to check the tanks,tank connections, and above ground product piping, and for damage or leakage, check for stained or discolored soils, and to ensure complete site security. Any problems or leaks identified by the visual inspection shod be promptly addressed and remedied. i The facility should have a visual inspection perfoi7ne minimum of once per month using the STI SP-001 Monthly Inspection Checklist and the STI SP O1 Portable Container Monthly Inspection Checklist included as Attachment B. Annual ins p ions for the ASTs should be conducted using the STI SP-001 Annual Inspection checklist includ in Attachment B. Records of inspections should be kept with this plan for at 1 t five year . External AST Inspections i Based on the size and STI SP-001 011 category of the ASTs at the site, formal external inspections are required to be performed by a certified inspector at a minimum of every 20 years from the date of installation. The formal external inspection should be conducted in accordance with the STI standard and should include a detailed inspection and/or testing of the ASTs,piping, containment, vents, fill ports, supports, foundations, overfill prevention devices, and other tank appurtenances. The exact scope of inspection varies depending on the facility and the exact scope of external inspection necessary to comply with the STI SP-001 2011 standard at the site must be determined by the certified inspector. Tanks AST-1 through AST-4 were reportedly installed in 1999; therefore,the next formal external tank evaluation should be conducted in 2019. I, Records of certified tank inspections should be kept for the life of the tank. Internal inspections, leak testing, and shell test comparisons are not required for any tanks or containers at the site but records of j these tests should be retained for the life of the tank if performed. Joe's Travel Plaza 15600 Harlan Road,Lathrop,CA Page 19