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ro e -teas STI SP-001 EXTERNAL INSPECTION <br /> POWERS BML _s <br /> TFVO]°19 W59 MIO VhLLEYAG$ERVgEs LINDEN,CA <br /> FP%]0]B32]Ai <br /> ENGINEERING&INSPECTICYJ,INC. oartneM oa Taac <br /> 3. Ultrasonic Thickness Test <br /> Ultrasonic Thickness Test was performed on accessible sections of the steel tank shell and end caps. All <br /> spot readings returned nominal thickness, approximately 0.425-in.All UT scrubs had minimal to no change <br /> in signal signifying little to no metal loss.Any variations or chnges in thickness outside of the original nominal <br /> thickness (if any)would be documented and analyzed in this section. <br /> Min <br /> UT Locations Drop Avg <br /> Shell Max <br /> Course Location 1 2 3 4 5 6 7 S %Var <br /> Top 0.425 <br /> 2 Upper - - - - - - - - 0.427 <br /> Lower 0.428 0.428 0.427 0.427 0.427 0.425 0.425 0.425 0.428 <br /> Bottom 0.427 0.427 0.425 0.426 0.427 0.426 0.425 0.425 0.0001% <br /> Tap 0.429 0.425 0.428 0.426 0.430 0.426 0.426 0.426 0.425 <br /> 1 Upper 0.426 0.426 0.425 0.426 0.425 0.425 0.425 0.425 0.426 <br /> Lower 0.427 0.425 0.426 0.425 0.425 0.425 0.428 0.425 0.429 <br /> Bottom 0.425 0.426 0.425 0.425 0.425 0.425 0.426 0.425 10.0001%1 <br /> sn.mroiEamweavanneser azuen cnmmaew]aeayaaPr i Page 14 P..1. <br /> ®IDiBPEL Ic <br />