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File MH19409 Page T2-1 of 1 Issued: 1996-05-29 <br /> New: 2004-04-12 <br /> TEST RECORD NO. 2 <br /> SAMPLES.- <br /> The <br /> AMPLES:The manufacturer submitted a 36 in. ID by 37 in high doable SEP 1 4 2��6 <br /> wall tank sump. ^"q�„�, <br /> Due to the similarities to the single wall sus covered in <br /> - - <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 psig 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 /> Theresultsof 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 /> LMD/TAC:jrp <br /> NKDLS <br />