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PLASTE_ EL® UNDERGROUND TANK APPENDIX B INTERSTITIAL VACUUM TEST (IVT) 1.0 Introduction[ This test method has been developed by down on the ELUTRON® jacketed tank may require PLASTEEL INC.to meet the E.P.A.Alternate(Non-Volumetric)Tank Tightness reiteration due to the slow nature of air movement in the test procedures. The IVT has been verified by a third patty to be capable of interstitial space. detecting a 0.1 gallhr teak rate with a probability of detection of 100%. when all 5 To ensure a vacuum has been established,the gauge must of the testing criteria are MCL The false alarm rate for a tight tank is less than read sur hg. for threes hour without any decrease on 5%.h is impossible to maintain n steady vacuum if a leak is present.This test is the gauge before proceeding with 5.6. Contact the not necessary to attain the PLASTEEL®tank warranty.This test is offered as a factory if the vacuum cannot be established per this stand alone leak tightness test method. paragraph. 2.0 Aoolicatlon: The IVT is applicable to the PLASTEEL® 5.5 - Complete sections 11 and III of the Certificate of ELUTRON® (jacketed) Double-wall tank and the PLASTEELO Composit Tightness Test. Doubte-wall tank. For compartmented tanks, consult the factory for the test 5.6 Refer to the Test Time Table (Figure 6.0) to determine time. the correct minimum time period for a valid test. 3.0 Authority: The Jurisdiction Having Authority (JHA) will determine Begin timing the test after completing 5.4. Record the whether the double-wall UST must be subject to a leak tightness test before nominal tank capacity, primary tank product and placing the UST in service. required[est hours in Part IV of the Certificate. 4.0 Pre Delivery Procedure: 5.7 After the required test time has passed• observe the gauge reading and record the reading,date and time of 4.1 Read and understand the PLASTEEL® Tank Installation day in Part IV of the Certificate. i instructions and Appendix B before attempting the interstitial 5.3 Test Conclusions:The tank has passed the leak tightness vacuum test. Contact the PLASTEEL® tank manufacturer if you [est when the final gauge reading has not decreased from j have any questions. the initial gauge reading of 10"Hg. If other observations 4.2 Consult the PLASTEELS tank manufacturer before the tank is are made,consult the tank manufacturer. ' shipped to ensure that the tank is delivered with the test gauge assembly. This assembly is an optional piece of equipment Test Time Tables: The table in Figure 6.0 lisp the ' supplied by the tank manufacturer. minimum test period(in hours) to perform a valid IVT with a 4.3 Prior to shipment from the factory you may request that the dry fair only) primary tank. The IVT les[ may be performed manufacturer deliver the tank with the vacuum established. `with gasoline,diesel or water in the primary tank. Consult the PLASTEEL® tank manufacturer for the specific test time for 4.4 Upon delivery, the delivery document will indicate the correct these situations. vacuum gauge reading. Cali the factory if the gaugz reading does meet the gauge reading specified on the delivery document. TEST TIME TABLE:DRV PRIMARY TANK 45 To maintain the vacuum during the unloading and installation phases. extreme care must be taken to -ensure the IVT gauge CAPACITY JACKETED COMPOSIT assembly is not jarred, struck or moved in any manner. Call the (GALS.) (HOURS) (HOURS) factory for instructions if the vacuum has decreased. 500 4.0 4.5 5.0 Test Pracedures: I.0GC 4.0 5.5 5.1 If the vacuum was established at 2.000 4.0 9.0 QUICK -. -31-i-E.RFLY delivery and has not decreased 3.000 4.0 9.0 ;Cptionail VALVE during the unloading and i.CCO I 4.0 9.5 installation erases. you may J by-pass 5.2 and 5.3 ccC 4.0 los j _ 4.3 tt.0 i Install t4C ,urr_-p gauge test 5..c0 �* thz .i v-:e:nb�: Itae i_. 5.�)I En 9000 13 13.0 mon:.-.Or SCCei.i `77 zoupling On •` � too .e :erlie. Esura IO•.CO y 14.5thaany ad.'i[iJ^a. ROniWr 1 .5thz tank 2.: I - IN??BTITIA_ ae.^es5 zot10linai ace- properly 13,OGC 3.J 1 17.5 Id'GNITCA Sealed wah ;F.re1c.' dugs. I -(NO 20:.OG 19 20.5 ; � _.- ConOacr :he `'•a__m-pump :o t"-- est 3au2' s,,_ -.; and OC Cr 1.3 37a dra•.y w^ . . Rzard 1c..cc 1 C 45.5 i =,G:R=_5..:YACLU'.' 3AUGE . . -,-G -c _=. and :n;C:1! gaL' e .-_ .._ _ y,3 53.3 ,/OICA_. ; a1� ?an ! of :he ..0 'CU=ACY:AS`.IE'AVSB 3P:..7E 3. :' L -2,,.-3r•w,.xtt1 ""':'3RADUA71GNS. Ce......atz. T:'- ......11 Pump FIGURE 6.0