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1. Prior to tank lining, a site assessment must be performed under the direction of Public Health Services <br />Environmental Health Division (PHS-EHD), site mitigation unit. <br />Site Assessment has been pehnrrred under PHS-FHD direction <br />Site Assessment has not been performed under PHS-EHD direction. release contact PHS-EHt7 site <br />Migation unit at (209)168.3449 <br />2- Reason tanks will be interior lined/repaired: <br />Meet State/Federal upgrade requirements (submit PHS-EHD UST upgrade permit applicabon with <br />/ this application) <br />✓ Tank systeam iluge, please describe: <br />k Jrl <br />3. The following tests are required to be performed prior to lining to determine the structural integrity of the <br />UST: <br />$tee I tanks <br />_ Ultrasound Test (Mote: The UST shall be closed in accordance with Amide 7 Title .23 CCR if the <br />tank's average metal thickness is less than 75 percent of the original wall thickness of if the tank <br />has any of the listed defects in Article 6, Title 23 CCR section 2663 (b) (2) (8)) <br />Certlfrcation by a "Special Inspector" that the tank is structurally sound for tank lining and continued <br />use: <br />a, sandblast to white metal <br />_b. count number of holes, splits, perforations, and other defects <br />----c. submit result to F_HD <br />Non/ -steel tanks, fiberglass <br />�! Certification by a "Special Inspector" that the tank is suitable for _ r, epo <br />+ r— <br />//a. <br />— <br />✓a. interior walls cleaned by wipe down <br />V"b. interior diameter rneasurements <br />, o. visual check for structural, tension, or compression problems <br />LA 'd 0S W O N 9991 -LEO -607, M g:Z, 6661 'l 'unr <br />Z <br />S <br />n <br />a <br />ri <br />S <br />H <br />M <br />H <br />S <br />D <br />Z <br />( <br />T <br />T <br />M <br />H <br />Z <br />S <br />n <br />