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• When validating inspection intervals for active tanks,when limited or no repair documentation is available, <br /> but the last OO5 Inspection report is available: <br /> b Assume all repairs listed in the'Recommendations'were completed. <br /> o If multiple repair options were listed,and if no documentation proves otherwise(like nameplate <br /> info or stenciling on the tank indicating a liner,for example),the shortest inspection interval(least <br /> #of years)shall be used. <br /> STATE RULES (for states that have more conservative intervals than API 6531: <br /> This section applies to tanks that operate under State or Dual jurisdictions(does not apply to DOT'only' <br /> regulated tanks in these states). <br /> The following states have maximum internal inspection intervals of 10-years: <br /> • New York(NYDEC),Virginia(VADEQ)and Florida(FLDEP) <br /> o Note that New York(NYSDEC) regulated tanks with double bottoms or a design utilizing a Release <br /> Prevention Barrier/leak detection are not limited by this 10-year rule. Tanks meeting these design <br /> criteria follow the normal API 653 subsequent inspection intervals(Buckeye's 20-year maximum <br /> interval). <br /> The following state has a maximum internal inspection interval for non-DOT regulated tanks with internal <br /> painting/lining: <br /> • Pennsylvania(PADEP)-10-year maximum internal inspection interval for tanks with linings. <br /> o Typically perform a full corrosion scan at this 10 year inspection. <br /> o For non-lined PADEP regulated tanks,follow the normal API 653 initial and subsequent inspection <br /> intervals(Buckeye's 20-year maximum interval). <br /> EXTERNAL INSPECTION INTERVAL: <br /> As per the P Edition of API 653,Addendum 3, Paragraph 6.3.2.1: <br /> • All tanks inspected per API 653 will be given a visual external inspection by an authorized API 653 inspector <br /> every five(5)years.This inspection shall be identified as an external inspection. In addition to documenting <br /> visual observations, lower tank shell UT thickness readings are to be taken and documented as well. <br /> o Internal Inspections serve as external inspections,as they are more complete. Therefore the external <br /> inspection interval gets'reset'after an internal inspection. <br /> Buckeye API Inspection interval guideline Rev 12-18-2012.docx December 18,2012 <br />