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• Annex C provides sample checklists that the owner/operator can use when developing inspection intervals and specific procedures for internal and external inspections of both in- service and out-of-service tanks. • Annex D focuses on the requirements for authorized inspector certification. Certification of authorized tank inspectors,which is valid for three years from the date of issue, requires the successful completion of an examination, as well as a combination of education and experience. • Annex E has been removed, and is purposefully left blank. • Annex F summarizes the non-destructive examination (NDE) requirements for reconstructed and repaired tanks. • Annex G discusses the qualification of tank bottom examination procedures and personnel. • Annex H provides guidance for performing a similar service assessment to establish inspection intervals for tanks for which corrosion rates have not been directly measured. • Annex S covers the requirements for austenitic stainless steel storage tanks, constructed in accordance with API 650,Appendix S,that differ from the basic rules in the rest of API 653. Technical inquiries regarding the use of the standard can be made through API's Web site (www.api.org). 7.7.2 STI Standard SP001 - Standard for the Inspection of Aboveground Storage Tanks STI Standard SP001—Standard for the Inspection of Aboveground Storage Tanks(STI SP001)154 provides inspection and evaluation criteria to determine the suitability for continued service of aboveground storage tanks until the next scheduled inspection. STI SP001 applies to the inspection of aboveground storage tanks, including shop-fabricated tanks,field-erected tanks, and portable containers, as defined in the standard, as well as their containment systems.The inspection and testing requirements for field-erected tanks are covered separately in Appendix B of the standard. Specifically,the standard applies to ASTs storing stable,flammable, and combustible liquids at atmospheric pressure with a specific gravity less than approximately 1.0, and those storing liquids with operating temperatures between ambient temperature and 200 degrees Fahrenheit (93.3°C).15s At a minimum,the following tank components shall be inspected (as applicable): primary and secondary tanks, supports, anchors, foundation and external supports, gauges and alarms, insulation, appurtenances, normal and emergency vents, release prevention barriers, and spill control systems. After providing general information and definitions, Section 3 of the standard addresses safety considerations, and Section 4 addresses AST inspector qualifications. iso STI Standard SP-001,"Standard for the Inspection of Aboveground Storage Tanks,"5th Edition September 2011. 155 Given this operating range,the standard may not apply to certain tanks such as those containing asphalt cement. SPCC GUIDANCE FOR REGIONAL INSPECTORS 7-64 December 16, 2013