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�� � 1JJV iu•.,,ir�� rruii u iule.,oi-.o.»o r.rJJ <br /> I <br /> i <br /> P for to tank lining, a site assessment must be performed under the direction of Public Health Services <br /> E vihro�nmental Health Division (PHS-EHD), site mitigation unit. <br /> Site Assessment has been performed under PHS-EHD direction <br /> i <br /> J Site Assessment has not been performed under PHS-EHD direction, Please ccntact PHS-EHE) site <br /> Migation unit at(209)468-3449 <br /> 2. R�ason tanks will be interior lined/repaired: <br /> Meet State/Federal upgrade requirements (submit PHS-EHD UST upgrade permit application with <br /> / this application) <br /> IJ1! Tank system failure, please describe: <br /> I <br /> I <br /> i <br /> 3, le11ing tests are required to be performed prior to lining to determine the structural integrity of the <br /> Stbel 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 /> 1 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 /> i use: <br /> i —a. sandblast to white metal <br /> _b. count number of holes, splits, perforations, and other defects <br /> i <br /> C. submit result to EHD <br /> Non-steel tanks, fiberglass <br /> Certification by a "Special Inspector"that the tank is suitable for lining. <br /> I <br /> �a. interior walls cleaned by wipe down <br /> _b. interior diameter measurements <br /> _c_ visual check for structural, tension, or compression problems <br /> i <br /> I <br /> I <br />