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STI SP001 Monthly Inspection Checklist General Ins ection Information: Inspection Date: 12/20/22 12/20/25 (36 months from inspection date) Retain Until Date: Prior Inspection Date: 1 1/18/22 Inspector Name: Patrick Samson —�_ Tanks Inspected(ID#'s): T-611 T-612 T-615 T-616, T-617, T-618, T-619 Inspection Guidance: ➢ For equipment not included in this Standard,follow the manufacturer recommended inspection/testing schedules and procedures. 1- The periodic AST Inspection is intended for monitoring the external AST condition and its containment structure.This visual inspection does not require a Certified Inspector. It shall be performed by an owner's inspector who is familiar with the site and can identify changes and developing problems. ➢ Upon discovery of water in the primary tank, secondary containment area, interstice, or spill container, remove promptly or take other corrective action. Before discharge to the environment, inspect the liquid for regulated products or other contaminants and disposed of it properly. ➢ (*) designates an item in a non-conformance status. This indicates that action is required to address a problem. ➢ Non-conforming items important to tank or containment integriit require evaluation by an engineer experienced in AST design, a Certified Inspector, or a tank manufacturer who will determine the corrective action. Note the non-conformance and corresponding corrective action in the comment section. ➢ Retain the completed checklists for 36 months. ➢ In the event of severe weather(snow, ice,wind storms)or maintenance(such as painting)that could affect the operation of critical components(normal and emergency vents,valves), an inspection of these components is required as soon as the equipment is safely accessible after the event. Item Task Status Comments 1.0 T nk Containment ` 1.1 Containment Check for water, iYes* o ❑N/A �J structure debris, cracks or fire hazard 1.2 Primary tank Check for water Yes* o 1.3 Containment Operable and in a Wes ❑No* ❑N/A drain valves closed position 1.4 Pathways and Clear and es []No* �,N/A entry gates/doors operable 2.0 Leak Detection 2.1 Tank Visible signs of Yes* o leakage 2.2 Secondary Visible signs of ❑Yes* INo Containment leakage from tank into secondary containment 2.3 Surrounding soil Visible signs of i iYes* o ❑N/A leakage 2.4 Interstice Visible signs of i iYes* rMo ❑N/A leakage 3.0 Tank Equipment 3.1 Valves a. Check for leaks. ,es* i o CiN/A b. Tank drain valves es* nNo i iN/A must be kept locked. 3.2 Spill a. Inspect for debris, Yes* []No N/A containment residue, and water in boxes on fill the box and remove. b. Drain valves must ❑Yes" []NoN/A pipe be operable and closed. AST INSPECTION STANDARD 1 SEPTEMBER 2011