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File MH17921 Page T3-1 of 1 Issued: 1998-01-27 <br /> New: 2004-04-12 <br /> TEST RECORD NO. 3 <br /> SAMPLES: <br /> The manufacturer submitted Model DMA dispenser sump having outside <br /> dimensions of 39 in. long by 36 in. wide by 31 in. high. The top opening was <br /> 36-1/4 x 18 in. <br /> Due to the similarities to the single wall sumps covered in this report, <br /> only the following test was conducted. <br /> ANNULUS PROOF PRESSURE TEST: <br /> METHOD <br /> The interstitial space of the sample was subjected to an aerostatic <br /> pressure of 5 psig for a period of 24 hours. The pressure was then increased <br /> to 10 psig for a period of 1 minute. The pressure was then decreased to 5 <br /> psig, and holes were drilled in random locations on the sump wall to check for <br /> communication. <br /> RESULTS <br /> The sump did not rupture or leak. The pressure communicated throughout <br /> the sump. <br /> Test Record Summary: <br /> The results of this investigation indicate that the product(s) evaluated <br /> comply with applicable requirements, and therefore, such products are judged <br /> eligible to bear UL's Mark as 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 />