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PO EO%1B" STI SP-001 <br /> POWERS •°"" "° '° <br /> Fe 70796]IN MIO VALLEY AGRICULTURE SERVICES MIO VALLEY AO <br /> FP%]0]B - <br /> ENGINEERING&INSPECTION,INC. mnW{wWM9lLLUm Unleaded Gasoline <br /> Fuel Tank <br /> Tank Suitability for Service Statement <br /> This facility is regulated by all federal, state, and local regulations. The Code of Federal Regulations, 40 <br /> CFR 112, requires that the facility maintain a Spill Prevention, Control, and Countermeasures(SPCC)plan <br /> that adheres to the industry standard requirements for regular inspections. The Steel Tank Institute (STI) <br /> SP001 Standard requires that the aboveground storage tanks (ASTs) be formally inspected based on the <br /> category of the AST. <br /> Next Inspection Schedules <br /> STI SP001 recommends the interval to the next inspection be determined based on known tank category <br /> and volume. This 10,000 gallon tank is currently equipped with a spill control system in the form of a berm <br /> secondary containment.The tank has an inherent continuous release detection method (CRDM)in the form <br /> of an elevated tank on saddle supports. The tank stores Unleaded Gasoline fuel at ambient temperature. <br /> Based on the current configuration, the tank is classified as Category 1. Per inspection interval definitions <br /> outlined in STI SP001, PEI recommends the following inspection schedule: <br /> • An out-of-service, internal inspection inspection is not required. <br /> • A leak test in accordance with STI SP001 is not required. <br /> • An external, in-service inspection should be scheduled no more than 20 years from the current <br /> inspection date or sooner if a change in tank condition occurs. However, more stringent governing <br /> regulatory intervals of inspection may supersede this interval. <br /> Required Repairs for Continued Service <br /> 1. No required repairs for continued service is required for Tank Unleaded Gasoline Fuel. <br /> Considerations or Recommended Repairs <br /> 2. Consider installing grounding cables per NFPA 30 Section 6.5.4. <br /> 3. Rust and coating failurewas identified on all threaded and flanged connections,consider applying touch <br /> up coatings to these areas.Monitorthe condition ofthe coatings and applytouch up coatings as needed <br /> to prevent corrosion damage to the shell, ends, piping, and appurtenances. <br /> 4. Minor crackswere identified in the concrete containment which could hinder the containments ability to <br /> contain product. Consider sealing the concrete cracking in the concrete dike <br /> Non-Mandatory Items <br /> 5. This tank is equipped with threaded components and piping, which are known to develop seeps. <br /> Monitor these areas during monthly and annual inspections. <br /> ST AWIMO VMLEYRGM°LLNFE SaMCES <br /> UN.......EM0 VPl1EY Page WteP^�•Y'P <br /> RG 1.P <br /> OAIBPEBI•c <br />