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Re eta €lath€ =dr l f'rac.irt 5 for 1111 Testing and Wlilirati lit of Spill, Clueriiil, tfal rDr t. ct :ort arfu Se tictatty Crantainitiew Equi11trlent at UST Fad ties
<br /> sihility of accidentally imposing a high vactruin
<br /> 11att ecanlcl tlinuai �+ey the t:1111k , " l he use, ( if the valve
<br /> 6s rCurttnmell ie d hCt attwC it 1111131s the ~< acunnn
<br /> thin coann l)t iii plied to tllc interstitial sp ace, t ;
<br /> Tank k a+ dttm, apa - Durationr
<br /> hype irtctte # allnn hears
<br /> icutTini 1' luOC With it € tnr-lti Of tl imbes tta 311 a �Ct , i�ttt }
<br /> 11K] ws 11er r_ aeathiated tat anc. i`wtt oms Of 0 . 5 Int 1cs ( ri4a r�i�ss tib
<br /> HeY or less ; — - - �`
<br /> --
<br /> ti 11011
<br /> 0 h } i! lle vallvc and vacuum hose : stat i f,
<br /> strellnv , rlt<h of aathef tiny- measut ernein device _ _'J At
<br /> capable of iTwasurin.p as I - scticontl incrc~ ttn nt
<br /> 4 . 2 . 9 'ass/ Fall Criteria , 1f thorc is 110 1oss ill
<br /> p1nnnher ' s phig , Vc1catnin level , 1111 Iirltai &I alre' tir ;lwn irrto thc` intt°r=
<br /> 4 . 2 . g Test procedure, stitial slsracc diarino thc° wicil ilur ; uioll shrtaa° rn i € r 'I 'Alcr
<br /> 4 , 1 , and 1171° ittnk kwcondary e' # r1rTr# tfill t'n1 a#t `dt
<br /> has
<br /> 1. Install the plumber ' s ping in the inti rstitiatl 110 additional fluid than an lite ,ilslrl of Ill Ie tvst , then
<br /> ri seArts> 1Ta' 1m"l ally ler"s _ ttw' tank st'condaricontvillifflont pace cls the t"t *
<br /> 20 t onrr(: t the vaat umn t? all + 'c . 1' ativc and ilr4
<br /> Il' 111r1`c is aany v:Tc-urrtta hist 4lnrinp the test oil lttlntds
<br /> Va('llik rn- Lene° rauno device it) tile littiilgy, off the : trc draaavn into tlnc° iinte rstiti ;tl N1liaexe , tlae' rT 111e4 taanf
<br /> phlnibcr 's UlnsT , `I'l7llt a<alvi shc }ttld l«u ] 3c';twc°en scc�ctncltrT � � clnl4tini ltnE t�ttils Ih � lc� . t ,
<br /> OW VAC1111tr1 SOUNC inlet and [ lie pressln*c
<br /> gat€"c > el -he gaUlle shcauld he between thy. valve 43 Tank Secondary Containment Integrity Testing;
<br /> and the fitting so it will read the.: interstitial vac - — 1 iquld Filled Teat Mettiod ,
<br /> 111,1111 When the v =TlVC i4 Cltased,l The rrnt0l1114410C
<br /> vlcuunl shntttll' varlve is located at the Hilet of 4 . 3 . 1 General . 1-his tc:l method tests the intc. t -
<br /> ( hc vcactrinn - producin de0ce 1111d should lie rite of the. liquid- filled interstitial .spat . T1-11Cre igrc a
<br /> set ata mininitirn o 10 percent and no more nnnnher of variables that affect this teat, SM ch :as inter-
<br /> illanl 2Y inches 1l + above tare test VaTccrurn , stitial space vctlunne , temperature , vclartci table and
<br /> 1�rexluct le_ VC1 in the p mary tank , Refer to Appendix
<br /> s l . lrsurc ail connections are alrti ht . A for specific rnanrrt;tc t° l0rolls ' lcsl inrcac �c�clur�s .
<br /> . Start the v < 1clrrrnn ener<rtinQ de-' v ( ec'. , and tnllrsrl
<br /> file v etivc . Zl x , 2 Purpose . 'Phis general nnethod is ui ed to
<br /> test the into . rity Of the ligUid tilled sec ondar con -
<br /> 5. the VaCUU11T tO 10 inches 1+ 1 for Irh r lass tainm nt of ;e US'i .
<br /> tanks and ti inches Hg for steel tanks . t_` lsnsc the
<br /> 4 . 3 . 3 Description €f Teats 1 _ itlnid is added to
<br /> the interstitial space of the 1 tl) k atracl the level ii
<br /> SCM liquid leveltile � bronAt a into thw interstitial r ,. Allow t1vaclali t � stahlln
<br /> of I minutes alt the Spec i ,. nn initoreel tcrr .i specified periettl of tinTe . ti this.
<br /> ;t .stable vacumn cannot be maintalinc=rl , iesi liquid 1euc1 is rllafillT tired ; tlicrr the cc , rrtaiintl3 ; nt
<br /> minipurennt shall be Inspected For lcrikage. syste. rnl has ilarsst d they test .
<br /> Reffeat stcps 4 and 5 until a stable_' vacs um is
<br /> achieval , It a su bleu 1% etnunn cc nnot be main - > 3 > Test onditions , � 11Te° primaiy, co ntaln -
<br /> taained , the tank secondary containment rote- < _ rnlettt may contain any level sat1FrocILK- t . Detcr3nine
<br /> r rite° test fails , :a; hether the gtcruntlavaler depth is above the hnttolil
<br /> . r '`Itcit tile vaTtMutrltt levEtl st, rhilirt :s , rtc'rrrrl tht of the taaTlk , +r_"omitill Specificfnanufalcturer s prctce _
<br /> att: dttnTT level tan l the test start t dures to tegaards it) gfoundw;itei fund pet`lt� t`lntne the
<br /> iest . No hulk tlehr ek kes .shall erci° ur na, ithirr 4 h0kats
<br /> 8 . Observe the. N=aatfurn lewl for the period of piior to conihic roti of thiriinr' the° test , I"r'' il dislic. ins
<br /> titne showcn in 'Fable r1- 1 , 111 :1 n aty° ( fe nr dnriri = thea clttr; nirltn tail the ietst .
<br /> 9 ,, Record the final tinct and veac tikint levt;M1 , 4 . 3 . 5 Preparation . Determine the arc lunle cit'
<br /> 10 . Check She. Interstitial space lot* accumulatllon of the. tank and identify the te.,t heinw 11�. rfclrtlned .
<br /> licla€ itis . Tank volume inform , is avaailaihic frow facility
<br /> PeiTr0
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