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' ■W-'-' ■' <br />Jet <br />MrJ'- <br />pi'r-: •. <br />te- <br />f.;■ ■ P!P-- <br />: <br />V 1M--./ <br />H'P#. V:,$ ^ <br />v< <br />■‘-S <br />W0>;''' <br />Ilf -n^ <br />■/ ■ <br />ii;. ••■■»'.&.'. <br />f*4-"': % <br />. i <br />#• <br />»Ki .i'.^♦•®'y <br />■ w <br />kp.,- <br />*•'» <br />t <br />R' <br />* <br />.rrtS <br />OS/13/91 (RCVtSOR I CMR/90 AR1834 <br />1 <br />2 <br />3 <br />4 <br />5 <br />< <br />7 <br />a <br />9 <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />li <br />/’ <br />IS <br />19 <br />20 <br />21 <br />22 <br />23 <br />24 <br />29 <br />2i <br />27 <br />21 <br />a. Ondcrqround piping th*t routinely conceios <br />rtgulettd oubscanees aust b« aenitored for releases In a Banner <br />that aaots ^ne of tho requireaents In subltea (i) or (2J. <br />Cl) Ondorotound plplnq that conveys requlated <br />sabstancos under proaaure austi <br />(a) bo equipped with an autoaatic line leak <br />conducted accerdlnq to part 71S0.0340, Itea A: and • <br />(b) have an annual lioe ti9hcness test <br />conducted according to part 7150.0340, itea a, or have aonthly <br />Bonitorinq.conducted according to part 7150.0340. itea C. <br />(2) Onderground piping that conveys regulated <br />substances under suction aust cither have a line tightness test <br />conducted at least every three years and according to part <br />7150.0340, itea ■, or use a aonthly aonitoring aethod conducted <br />according to part 7150.0340. item C. No release detection is <br />required for suction piping that is designed and constructed to <br />aeet the following standardst <br />(a) the below-grade piping operates at* less <br />than ataospheric pressure; <br />{b> the below-grade piping is sloped so that <br />the contents of the pipe will drain back into the storage tan.. <br />if the suction is released; <br />(c) only one check valve is included in each <br />suction line; <br />(d) the check valve is located directly <br />below and as close as practical to the suction puap; and <br />|e) a aetbod is provided that allows <br />% <br />coapliance with units (b) to (d) to be readily deterained. <br />29 <br />30 <br />31 <br />32 <br />33 <br />34 <br />35 <br />7190.«32« hSOOnUENINTS fOR lASAIOOOS NAmZAL OMDUIC] <br />•1QIIACB TANK SYfmS. <br />Owners and operators of hasardous aaterial asdorground <br />storage tank systeas aust provide reiease detection that aeets <br />the requireaents in iteas A and b. <br />A. Release detection at esiating hasardous aaterial <br />underground storage tank systeas aust aeet the requireaents for <br />■h- <br />/i <br />.. 1 -.iJkdla