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File MH19409 Page T2-1 of 1 Issued: 1996-05-29 <br /> New: 2004-04--12 <br /> TEST RECORD N0, 2 <br /> SAMPLES: <br /> The manufacturer submitted a 36 in, ID by 37 in high double <br /> wall tank sump. <br /> Due to the similarities to the single wall sumps covered in <br /> this report, only the following test was conducted. <br /> ANNULUS PROOF PRESSURE TEST: <br /> METHOD <br /> The interstitial space of the sample was subjected to an <br /> aerostatic pressure of 5 psig for a period of 24 hours. The <br /> pressure was then increased to 10 psis for a period of 1 minute. <br /> The pressure was then decreased to 5 psig, and holes were drilled <br /> in random locations on the sump wall to check for communication. <br /> RESULTS <br /> The sump did not rupture or leak. The pressure communicated <br /> throughout the sump. <br /> Test Record Summary: <br /> The results of this investigation indicate that the <br /> Product(s) evaluated comply with applicable requirements, and <br /> therefore, such products are judged eligible to bear UL's Mark as <br /> described on the Conclusion Page of this Report. <br /> Test Record by: Reviewed by: <br /> TIM CREWS WAYNE DOVERSBERGER <br /> Staff Engineer Staff Engineer <br /> ohm" ECEIVED <br /> OCT 10 2016 <br /> ENVIRONMENTAL HEALTH <br /> DEPARTMENT <br /> LMD/TAC:jrp <br /> NKDLS <br />