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00 FEURPI2GG-12 <br /> i'ecorda yzr dw.ATG readout. Prcpam a moniloripig <br /> fluid solution to add to [Ile imersthial space. .5. PIPING SECONDARY <br /> 4.3.6 Steer Tariks. Laqui,d-FJIIrd (hyd,'ostatic) CONTAINMENT INTEGRITY <br /> tests on ![eel ma s mquire the same fluid as Lhe TESTING <br /> ,rrnnitnrIng fluid. Contact the [nanuf'acturer for <br /> instruCtivirla' &I General. []ndcrgruund proxttict piping is availably; <br /> 4.3.7 Fiberglass Tanks. NLermine lark sire with single and double walls. Double-walled piping pro- <br /> and diarncter and apply (lies appropriate rrteth d. Fides enntainmcnt fnr leaks from primary containment <br /> and must tw Imic-f= to pr vent release of product into <br /> 4.3.9 Test Equipm6rtt. Tm Muipnwnt ahall the envhlonment. <br /> include: <br /> 5.2 Purpose. Teem method is used to test the uttegrity <br /> ■ mottitarlag fluid; of piping interstitial space(s). <br /> • stnpwatch ar nllitx 6tr1Lrntcrlst,rc[ rni device &3 Description of Test. The interstitial space. is <br /> capable of nxmuiing a 1-sc4xad im rc,enenl; scaled at the ends and is pressurized with an inett gas. <br /> • tape I11rasltrc. The prcasuro is monitored for i hour. IF any press n drop <br /> 4,3.9 Test praceProcedure. caccut'a, tlic sc cundaiy conLaimucru fails the: Wst. <br /> J.. Rcmovt:;Yuy scnsur that rmy be instuillcd in thc. 5.4 Test Conditions. 'i'he primary pipe may contain <br /> tank interstitial space. fuct, and dispctrsing activiliuss may cuntintic duriag t€trf <br /> test without affecting test results, <br /> 2. Nwrmine and r ui-d the groundwater level. <br /> i ,5 preparation, if the intern itial space,con(ains prod- <br /> 3. Add lest liquid to the tank itttc:rstitisl space: uct. ensure. tE�at thu iritcr'aticc is ntx~rt ty� tk3c, alinasphc <br /> l�ritt�ing the fluid level iron the rixcr (stand- end perform a precision lest an the primary piping before <br /> lyipe; to (he, � rrrirrlale levot based cm the: conducting a teat.nn the,seccr[tdary contgutment piping. <br /> [tysr[t1tf$cturet•'S WrittC[t F}1'[]C+CdLiCL:. <br /> 4, Document the starting level and shaft time of Termination fittings must be scaled at all piping icrmina- <br /> the rase, lions, and test fittings must be accessible to perform the <br /> lest. <br /> 3. Start the time-nwasuranient device. <br /> check with the piping manufacturer regarding testing <br /> B. Wait flu: mr'se3W pr time ue�cex7dit [n the procedutrs and the proper pressure before testing. Test- <br /> Ix�anufaucturc�•'s Cost procedure. <br /> 7. Document the ending level and ending time of <br /> I ltc: <br /> S. Determine and record khe:groundwater level. <br /> 13. Remove Hgnid added to the tank interstitial <br /> apace, and rmtore thu liquid level in the tank <br /> interstitial to normal operafing copidition. <br /> 10.Reinstall the sensor so that it is installed within s <br /> manufaclurcr's speciiieatin ns. <br /> 4.3.10 Pass/Fall Criteria. Compare: flu data tin <br /> the tnanntaeturer';q pag.glfait erlteria in Appendix A <br /> to deternvne if the tank has passed the lest. <br /> FIGURE 5-1- 6uots on piping transitions and through <br /> somp watts must be leak-tight when piping secondary <br /> containment integrity testing is performed. <br /> pei,org <br />