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»/£/>•>• fc.. <br />I-P <br />05/13/91 (arvisca j CMa/3D Aaia34 <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />16 <br />17 <br />4, itera 9; <br />is <br />19 <br />20 <br />21 <br />22 <br />23 <br />24 <br />25 <br />26 <br />27 <br />28 <br />29 <br />30 <br />31 <br />32 <br />33 <br />34 <br />35 <br />36 <br />k; ^'' <br />(1) Nacional fire Proccction Association 30, <br />Flaaaable and Ccobustible Liquids Code; <br />0 <br />(2) Aaerican Petroleua Institute 1615, <br />Installation of Onderqround Petroleua Storaqe Systens; <br />(3) Aaerican Petroleua Institute 1632, Cathodic <br />Protection of Underground Petroleua Storage Tanks and Piping <br />Systeas; or <br />(4) National Association of Corrosion Engineers <br />RP-01-69r Control of External Corrosion on Underground or <br />Subaerged Metallic Piping Systems. <br />C. The following codes of practice apply to subpart <br />4, item C: <br />(1) National Tire Protection Association 30, <br />riaesBable and Coabustible Liquids Code; or <br />(2) National Association of Corrosion Engineers <br />pp.01-69, Control of External Corrosion on Underground or <br />Submerged Metallic Piping Systems. <br />Subp. 6. Spill and overfill prevention equipment. <br />A. Except as provided in item B, to prevent spilling <br />and overfilling associated with product transfer to the <br />underground storage tank systera, owners and operators oust use <br />the following spill and overfill prevention equipment: <br />(1) spill prevention equipment that will prevent <br />release of product to the environaent when the transfer hose is <br />detached from the fill pipe, for example, a spill catchment <br />basin: and <br />(2) overfill prevention equipaent that will: <br />(a) automatically shut off flow into the <br />tank when the tank is no aore than 95 percent full: or <br />(b) alert the transfer operator when the <br />tank is no aore than 90 percent full by restricting the flow <br />into the rank oc triggering a high-level alars. <br />B. Owners and operators are not required to use the <br />spill and overfill nrevencion equi^ent specified in itea A if: <br />(1) alternative equipaent is used that is <br />Approved <br />tty Advisor