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File MH17921 <br />TEST RECORD NO. 3 <br />SAMPLES: <br />Page T3-1 of 1 Issued: 1998-01-27 <br />New: 2004-04-12 <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: <br />TIM CREWS <br />Staff Engineer <br />Reviewed by: <br />WAYNE DOVERSBERrER <br />Staff Engineer <br />