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'a <br /> 6. Cap openings on all tanks before rem 'v <br /> _�8 .tA 8:from site. ,- <br /> a) <br /> ite. ,a) Nitrogen - tank must be capped to maintain nitrogen <br /> blanket. �w <br /> b} Carbon dioxide gas -• tank must be capped to maintain^qa$ <br /> blanket. " �{ <br /> C). The use of dry ice requires a vent..ho,l,e•.fo Presse s'. <br /> .relief.. .. _ <br /> ..I) , Vent cap will have 1/8 inch op �'ang. on top. <br /> 7. Empty underground tanks, if not ' <br /> properly' cleaned, are <br /> considered hazardous waste. Requiraments for handling.; <br /> a). Must be hauled tardou <br /> o a certified hazs waste site <br /> b) Truck must be certified to haul hazardous waste. <br /> C) Must be able to present a hazardous waste- manifest"before <br /> leaving the site. ,r <br /> Equipment to hoist tank must be <br /> load: rated fo'r the calculated <br /> �r .. .- , . . . . , <br /> iL <br /> a) . , Equipment must not be strained. <br /> �} Tanks are not to be dragged. <br /> { Note: Job will be halted if these criteria are not met. <br /> C) Load tank on carrier with pressers relief hole directed <br /> upward and all caps in place. <br /> t <br /> 1 � 3 <br /> 0 - -'Oxygen concentration in air <br /> LEL - Lower explosive limit in air. <br /> UEL - Upper explosive limit in air. ' <br /> Ler1 ' <br /> Gasoline 1.3 . <br /> Diesel 8.2 <br /> Waste Oil 0. 6 ' 7.5 <br /> Methanol 9. 0 N/A <br /> Comp'. 'Nat. Gas 3.8�` 36.5 <br /> Propane (LPG) 17.0 <br /> Liquid Asphalt 2.4 9. 0 i} 9.5 <br /> N/A <br /> r - <br />