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VO-' <br />Bm <br />p*,t : *T* <br />E/;'-J'ia.. y <br />iS;’ ■ <br />t?#' <br />i; '; <br />ter--'W^' <br />^s'*-!'•:>:. if <br />V •' <br />■ TmmMh^f- Si:-- <br />m-m- <br />w^> <br />\ <br />l^r,>'ra-v <br />m:^- <br />y. <br />is#:/ <br />ipi#,;":•' # <br />05/13/Jl [REVISOR I CMR/30 AR1834 <br />1 <br />2 <br />b«9innln9 and ending a««s'irtm*nts etreecds ►h* w«et(iy or monthly <br />standards In the Collowir.g table: <br />3 <br />4 <br />5 <br />f <br />7 <br />Tanb Capacity <br />t <br />f <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />10 <br />17 <br />10 <br />If <br />up to SSO gallons <br />SSl-1,000 gallons <br />(ifhan largest tank <br />la «4* > 73*) <br />1*000 gallons <br />(If tank Ls <br />40* X 120*) <br />9eekly <br />Standard <br />(one test) <br />Monthly <br />standard <br />(four-test avg.) <br />Mlniaua <br />Duration <br />ot Teat <br />p is tha ONLT leak detection method used: <br />10 gallons 9 gallons 36 hours <br />9 gallons 4 gallons 44 hours <br />12 gallons 0 gallons 98 hours <br />20 <br />21 <br />22 <br />23 <br />If manual tank gauging is combined with Tank Tightness Testing: <br />20 gallons 1} gallons 36 hours1*001-2.000 <br />gallons <br />24 <br />25 <br />y <br />27 <br />20 <br />2f <br />30 <br />31 <br />S3 <br />33 <br />34 <br />35 <br />30 <br />37 <br />30 <br />39 <br />40 <br />41 <br />42 <br />43 <br />44 <br />49 <br />0. Tank tightness testing or another test of <br />equivalent parforoance must be capable of detecting a O.l gallon <br />per hour leak rate from any part of the tank that routinely <br />contains product uhile accounting for the effects of thermal <br />aspanaion or contraction of tha product* vapor pockats* tank <br />daformation* evaporation or condensation* and tha location of <br />the water table. <br />C. Squipaent for automatic tank gauging that tests <br />for tha loss of product and conducts inventory control must meet <br />the following requirementst <br />(1) the automatic product level monitor test can <br />detect a 0.2 gallon pei hour leak rate from any part of tha tank <br />that reutiasly contains product: and <br />(2) inventory control or another test of <br />equivalent pe/fomanoe is conducted according to tha <br />raquiramonts of item A. <br />r. Testing or monitoring for vapors witMn the soil <br />gas of the escavatien sone must meet the following requirements: <br />(1) the materials used as hackfili are <br />sufficiently porous such as gravel* sand* or crushed rock* to <br />readily allow diffusion of vapors from ralaases into the <br />escavacion area: <br />(2) the stared regulated substance* or a tracer <br />■ <br />*0* ,‘|V.■rf; <br />mi <br />V <br />'1 <br />A <br />\ <br />'I <br />-t <br />1- <br />fiitilBir rlHsiMTiiilfiilirii lii . ----