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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 performed under PHS-EHD direction <br />Site Assessment has not been performed under PHS-EHD direction. Please contact PHS-EHD site <br />Migation unit at (209)468-3449 <br />2. Reason tanks will be interior lined/repaired: <br />Meet State/Federal upgrade requirements (submit PHS-EHD UST upgrade permit application with <br />this application) <br />Tank systemilure, please describe: <br />��✓n � i'i'i 4 /? /7 i! iGr �T� c� <br />The following tests are required to be performed prior to lining to determine the structural integrity of the <br />UST: <br />Steel tanks <br />Ultrasound Test (Note: The UST shall be closed in accordance with Article 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) (B)) <br />Certification 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 />-K c. submit result to EHD <br />Non -steel tanks, fiberglass <br />Certification by a "Special Inspector" that the tank is suitable for lining. <br />_a. interior walls cleaned by wipe down <br />b. interior diameter measurements <br />_c. visual check for structural, tension, or compression problems <br />