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t,. <br /> Measure&record"A"and"Z,"and then peform the following calculation: <br /> "A" -30 " prop tube seal surface to the bottom of the tank <br /> {subtract) <br /> � 1- " Upper drop tube flange to the edge of the upper tube adapter <br /> (subtract) <br /> 4.5" Reference offset <br /> = (equals) <br /> Ci rinal shutoff volume height <br /> Locate the final shutoff volume <br /> height on the tank chart <br /> Use the tank chart provided by the tank provided by the tank <br /> manufacturer to record and calculate the following: manufacturer,and record the <br /> closest corresponding volume. <br /> gal Final shutoff volume <br /> (divide by) <br /> 5 2 gall Actual tank capacity <br /> X (muliply by) <br /> 100 <br /> = (equals) If the final shutoff volume <br /> CL <br /> 0 o percentage is 95%or less,the <br /> U % Final shutoff volume percentage installation conforms to FF5 and <br /> L /of industry recommended practices. <br /> S' l gal Actual tank rapacity <br /> The final Shutoff Volume Percentage may <br /> -(subtract) be greater than 95%as long as the ullage <br /> j$ gal Final shutoff volume volume remaining is greater than or <br /> _{equals) equal to 250 gallons,so that"...none of <br /> the fittings located on the top of the tank <br /> 9V gall Ullage volume remaining are exposed to product due to <br /> overfilling,"according to EPA 40 CFR Part <br /> 280. The installation must also meet all <br /> applicable regulatory requirements,and <br /> must be acceptable to the Authority <br /> Having Jurisdiction(AHJ), <br /> 17 <br />