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Measure&record"A"and"Z,"and then peform the following calculation: <br /> „A„ 4 Z Drop tube seal surface to the bottom of the tank <br /> -(subtract) <br /> l " Upper d tube flange to tt-.e edge of the uppttr tube adapter <br /> -(subtract) <br /> 4.5" Reference offset <br /> (equals) <br /> lO " Final shutalf 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 /> (� <br /> gal <br /> Final shutoff volume closest corresponding volume <br /> (divide by) <br /> t,$Ll Sal Actual tank capaclty <br /> X(muliply by) <br /> 100 <br /> (equals) If the Final shutoff volume <br /> v O percentage is 95%or tess,the <br /> r Q�A Final shutoff volume pereentq; installation conforms t&FFS-and <br /> industry recommended practices <br /> 1pg gal Actual tank capacity <br /> The final Shutoff Volume Percentage may <br /> -(subtract) be greater than 95%as long as the ullage <br /> (S Sal F nal shutoff volume volume remaining Is grrgater than or <br /> _(equals) equal to 250 gallons,so that" none of <br /> p the fillings located on the top of the tank <br /> d 6 gal 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 acceptab a to the Authority <br /> Having lurisdrcl an IAHlI. <br /> .� 1 <br />