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• API 653 In-Service Inspection Report <br /> for W= == <br /> Pacific Ethanol HMT Inspection <br /> Tank No. T-6102 August 6,2013 <br /> Stockton, CA Page 24 of 46 <br /> 5.0 NDT INSPECTION <br /> 5.1 NDT INSPECTION SCOPE <br /> The following Nondestructive Testing (NDT) was conducted to evaluate the physical <br /> characteristics of the tank: <br /> A) Visual (VT) inspection of areas for the detection of anomalies or significant <br /> product side metal loss which may affect the integrity. Performed in accordance <br /> with HMT Inspection VT Procedure No. 1611.9, Revision No. 3. <br /> B) Random Ultrasonic (UT) readings on shell / roof nozzles. Performed in <br /> accordance with HMT Inspection UT Procedure No. 1611.1, Revision No. 5. <br /> C) Random Ultrasonic (UT) readings on bottom chime. Performed in accordance <br /> with HMT UT Procedure No. 1611.1, Revision No. 5. <br /> D) Random Ultrasonic (UT) readings on shell / roof plates. Performed in <br /> accordance with HMT Inspection UT Procedure No. 1611.1, Revision No. 5. <br /> • <br /> 5.2 BOTTOM INSPECTION <br /> External shell-to-bottom weld was inspected utilizing VT inspection methods. <br /> Bottom chime UT data was collected utilizing random readings. One (1) reading was <br /> taken every 10 feet(ref. Table A). <br /> 5.3 SHELL INSPECTION <br /> External shell welds were inspected utilizing VT inspection methods. <br /> Shell plate UT data was collected utilizing random readings. Ten (10) readings were <br /> taken per course up the stairway (ref. Table B). <br /> RECEIVED <br /> APIRPTNE.DOT REV 2 23262868/rE102r(Rev 1) AU&1/ 2 3 ' <br /> 6111 <br /> ENVIRONMENTAL HEALTH <br /> DEPARTMENT <br />