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Po Box 1928 API 653 SIMILAR SERVICE <br /> P0 I%%—& BeA94510 <br /> TEL3400 KRK PETROLEUM TRACY,CA <br /> Faxx 707 707 3 707 926 926 2684 <br /> ENGINEERING$INSPECTION,INC www•powersei.com Tank 2 (Candidate Tank) <br /> API 653 PERIOD UNTIL NEXT FORMAL INTERNAL INSPECTION <br /> Based on the Similar Service criterion under API 653 Annex H, it is the best opinion of the <br /> Inspector that Tank 2 should be scheduled for a formal API 653 Internal Inspection with an MFL <br /> bottom scan (or similar technology) no later than the end of 2030, in similar fashion to control <br /> Tank 3. As additional inspection data becomes available, validate the corrosion rate established <br /> for the candidate tank. If acquired data changes or affects the inspection schedule, readjust the <br /> established inspection intervals as needed. <br /> API 653 SIMILAR SERVICE YELLOW FREIGHT TANK 2 TRACY,CA 2019.DOCX Page 4 of 21 Date Printed:614119 9:53 AM <br /> ©2017 PE&I Inc. <br />