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File MH19409 Page T2--1 of 1 Issued: 1996-05-29 <br /> New: 2004-04-12 <br /> TEST RECORD NO. <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 PR$SSURE 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 thea increased to 10 psig for a period of. 1 minute. <br /> The pressure was then decreased .to 5 <br /> holes <br /> in random locations on the were drill <br /> sump wall tolccheckdfor, communicationed <br /> RESULTS <br /> The sump did not rupture dr leak. The pressure communicated <br /> throughout the suanp. <br /> Test Record Summary; <br /> The results of this investigation indicate that the <br /> product (s) . evalua.ted 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:j rp. <br /> NKDLS <br /> 8Z 39Vd SSV-1983SIA NN31S3M 9402-EZ9-LOL 62:9T 400Z/ZZ/90 <br />