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04/12/93 16:47 e916 372 0911 FILLNER CONSTRUC L0006 <br /> Califoknin State water Rssourve% Control Board (February 6, 1992) <br /> o/c Tante corporation <br /> o/c TANxS Hydrostatic Precision Tank Test for DWT-Type II Tamks <br /> UST TIGHTNESS TEST METHOD <br /> T d: 0.05 gallon per hour without dispensing <br /> (Pe-99.9t; PFA.1.241 <br /> 0.07 gallon per hour with dispensing <br /> (PO-95.0%; PFA75.0t) <br /> Applicability:_ this test method is applicable to LISTS containing <br /> gasoline, diecol, aviation fuel, fuel Oil #a, or <br /> Otherst <br /> caaacity: the maximum UST capaaity shall he 30,000 gallons; <br /> the UST may be tested from 2ere to 100 percent <br /> full; <br /> the maximum UST diameter shall be ten (10) feet; <br /> Waitine Time: minimum waiting time between delivery and test data <br /> collection shall be twenty-four (24) hours; <br /> minimum waiting time between 'Mopping off" the <br /> annular space with liquid and test data collection <br /> shall be three (3) hours; <br /> Text Plod: the minimum data collection time shall be faux (4) <br /> hours; <br /> the maximum amount of liquid allowed to withdraw <br /> from the UST during the test shall be 150 gallons <br /> per hour; <br /> a leak is not declared unless the threshold is <br /> exceeded in two t0ats, separated by at least eight <br /> (8) hours which are performed without dispensing <br /> and without changes in the water table; <br /> Continue on <br /> next page <br /> 53 <br />