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6. Cap openings on all tanks before removinsite. , : <br /> _ S ten3.s_from <br /> a) Nitrogen - tank must be capped to maintain nitrogen <br /> blanket. <br /> b) blanket dioxide gas - tank must be cap <br /> pgd to maintain-gap <br /> -c) The use oPV � j•' <br /> dry ice requires a t& <br /> veg �ole , press <br /> suzg' typo( <br /> -�_,:,, -__•relief. ..,_,.C•71.V;r� <br /> 1) Vent cap will have 1/8 inch opening on top: <br /> 7. Empty underground tanks, if not properly cleaned, are <br /> considered hazardous waste. Requirements for halin� <br /> .. YC t .• 4 . 6; A • . <br /> a) Must be hauled to a certified hazardous 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. <br /> S. Equipment to hoist tank must be rated for the calculated <br /> load: <br /> a) Equipment must not be strained. <br /> b) 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 pressure relief hole directed <br /> upward and all caps in place. <br /> DeP;n�tion• <br /> 0 Oxygen concentration in air <br /> LEL - Lower explosive limit in air. <br /> DEL - Upper explosive limit in air. <br /> f t 1 LET• <br /> Gasoline 1. 3 8 .2 <br /> Diesel 5 <br /> . <br /> 7 <br /> 0. 6 <br /> Waste oil 9 . 6 7.5 <br /> Methanol 6. 0A :? <br /> 36.5 "'�.. <br /> Comp. "Nat. Gas 3 . 8 17 . 0 �'I` <br /> Propane (LPG) 2 . 4 ' 9 .5 <br /> Liquid Asphalt 9. 0 N/A <br /> ``t <br />