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PEURP1200-12 Redmamded Ractkes la the Tribal; and Wriftatbn of Spill, Oesr@t leak Detttibn and $tcwday Cmbkunrnt Equipment at UST faobties <br /> • AM system component or dispemer that is leaking response procedure specified by die facility owner or interstitial spasm is mised and is monitored for a siasi- 4.2 Tank Secondary Containment Integrity Testing <br /> fuel es vapor should not remain in senhce. If a leak is operates. A spill kit should be readily available at the tied period of tfric to descmdre if the conmimncnl has — Dry Test Method <br /> discovered, deactivate the system or ranPment label facilitys integrity. <br /> it "Out of Senice' mW notify the appropriate parson. ✓ " 4.2.1 Purpose. this secondhodary <br /> is used to tut f a <br /> Amid igniting spilled fuel. InuceJiairly remove people A ink secondary containment integrity lest does not integrity of the rife x-cnMlary evnLvnnent of a <br /> 3.5 People Hazards. Other personnel present at n from tho area and verify that esu open flames or other necessarily Jctctmim whether the primary tank is tight UST. <br /> facility nay cause significant hartmis. Cmhnn:rs opemt- ignition sources nm in the ares of the spill. Do not allow because portions of the primary tank, such as tank fittings <br /> ing vehicle.. facility managers or Premlms who m-ener- fie caning of vehicles in the area. and msmwsy openings, may not be included in the coal- draw Description of Teat. A ovalis cavum <br /> gim electrical circuits that have been turned off, or clerks filament integrity test. Jmmm ec Oe fscrindW space and it is monitored <br /> le <br /> who authorize sales at dispcmtrs that me being serviced Handle and dispose of used spill cleanup mW .vosbtnt faaspecifiMperiml aflime. I(mhe rscuumkeel is <br /> an: huramds that must be anticipated and addressed mnfenais aa-orJing o houtictiom provided by the mvier maintained, the containment sywem has passed the <br /> or operator of the facility. Do not sore contaminated 76test. The vacuum fest linin depends on the volume <br /> Always advise persomsei in charge of point-of•ale sys- materials inside a building. - of the annular space Will site cvnditiom. <br /> tem and the facility management est work to be dare. <br /> Take note of traffic patens. Note the activities of nmy The owner or operator should reportany spill ordischarg- - 4.2.3 Tat Conditions. The primary tank nay <br /> oder workers at the facility and discuss with them ways as to the authority having jurisdiction (AHJ) as squired contain any level of p educt. No bulk dehierin <br /> of minimizing or eliminating any hazards that may be by low- In sone locations, reporting 10 more than one shall occur during the tat. - <br /> presented by their seli%itfes. authority may he required. . <br /> 3.10 Vehicle Hatards. Vehicles can present ons: of the t CIWTiON: Use only an ahoperstod vaeu- <br /> Use amort barriers, personal prof crivc equipment, lock- um source or a vacuum pump powered by <br /> outhe mut rouedums, tori shuluR valves and name serious and Common afery• hazards while working _ <br /> g p pump at dispenser island anvil areas where traffic is t at [•' an explosion-proof motor. Vacuum pumps <br /> electrical disconnects as uecvssary' p emote a&ty Jnr- P` present - with electric motors that are not explo- <br /> ing dispen_scr and tele system inspectldn, hating and UST fxiltlic, Drivers oRen am distracted and inattentive - abomproof may Ignite flammable vapors. <br /> mainlcnanCC xritiiia. at UST facilities, and may not make personnel conduct- <br /> ing testing, maintenance or repair activities. - If a portable elf compressor la used, It <br /> 3.6 Tat Equlpmeat. Use equipment intended filed- should be located et least 20 feet away <br /> ing spill, overfill, leak defective amt secondary cousin. Take appropriate afely precautions prior to performing from the venturleduetor or outside any <br /> local equipment. any inspection,n, testing o r mainterwrive of overfill, Irak _ Class I, Division 1 area. <br /> deecfinn and release prevention equipment ...� t„•, - <br /> For tests that impose a vacuum on a containment volume <br /> or interstitial space, use only an airopemted vacuum Workers should wear high-visibility safety vests while FIGURE 4.1. A cutatsa; •dev, of a double waved tank <br /> source a a vacuum pump powered by an explosion, working in area where vehicle traffic may he present. <br /> proof maw. Vacuum pumps with electric tumors that Us. -safety emus, barricades, warning signs mayor bvrier <br /> ant not opio%idn-pined nmy ignite flammable vapirs. If apt to designate and iflate mock areas. Take care not to <br /> a portable air compms¢x is used. it should be locatad at plate touts in equipment outside the designated area. Do <br /> hast 20 fat away from the venturi-eduaesoroulsitle any not mnmvesafery equipment barricades or signs until all <br /> Cta a 1, Division t ala. work is completed and equipment is ready eco W returned _ _ <br /> to service. <br /> 3.7 Confined Space Entry. UST system containment 7, 1 " <br /> F1 emnd o - sec• sq <br /> sump% my he large enough to present hazanis associavd �.a W%v var.:,:m Ga„aa <br /> with confined space entry. Refer o OSHA 1910. 146 for <br /> Further guidance on confined space entry procedures. -� <br /> 3.8 Use of Water Versus Product for Testing, lop 4. TANK SECONDARY <br /> not me germline, gasolindeoanol blend, diesel fiat epi CONTAINMENT INTEGRITY <br /> other stored liquid m test flit integrity of spill buck TESTING <br /> alit and tannin nem smnp wall. Use water a other <br /> approved monitoring liquid for tests requiring a test liq <br /> old A mlease of product (reel a leaking sy sem precuts 4.1 General. double-walled tanks have interstitial <br /> a safety hazard and could rause eav'irromenlal damage, spaces that can be tested for integrity,Follow the guidelines in Section 6.7 f proper disposal Tb., arc Iwo melhods fur testing the integrity of tanko( uater used intoeing- secondary aromemt systemdry and wDry test <br /> methods lost a PaSalomon to determinethe <br /> integrity �'- *s-y Tank <br /> 3.9 Responding to Spills. Spills may occur during of the containtrant. To performs a wet est on an existing Fla E , . a iatic of the dry test method apoamtus. <br /> maimon2nce, testing a repair activities. Fellow the spill liquid-filled lank interstitial space. Use liquid level in rhe IE% — - <br /> O pel.org A� G 2019 pei.org O <br /> � PEURP1200-12 �i o�I�� afaYTM eTa' pgVpffiiaUan MSPfs. OrerEV. teat Deteakn and 5dxanday ConaWrcat FgWpMnt attKT Fatr`rtrs <br /> V1R� • - <br /> sing a high vacuum _ <br /> 4.2.4 Preparation. The procedures in this sec- 4.2.7 Test Equipment. Test equipment shall <br /> tion are general in nature and reflect the suggested include: c d damage the tank. The uw of the valve Test Parameters <br /> vacuum levels and hold times for testing tankms recommended because it Units the vacuum <br /> • a vacuum-generating device that can be used in that can be applied to the interstitials Tank Vacuum, Capacity, Duratlon, <br /> secondary containment areas. Consult tank mann- a Class 1, Division i area capable of pulling 15 ✓ i pats.); Typo Inch” Hg gaVan hours <br /> facmrer and authority having jurisdiction (ACU) inches of mercury (Hg) vacuum; cavum gauge with a range of 0 inches to 30 c z4o0o z <br /> guidelines before performing rhea tests as their insists Ile graduated in increments o(0.5 inches Fmc®asz 10 <br /> mquimmems may differ, 0 an automate vacuum shutoff valve or vacuum nag or exp 20.0004 2 <br /> regulator (The shutoffvalve can beset toeless• at c20,00a 1 <br /> Determine if there is liquid present in the intend- a predetermined afe levet prncminp the psK. toggle valve and vacuum hose; Steel 6 20.000f 2 <br /> tial state If liquid is found, determine if the fluid <br /> is water or product. amt mnawe if to the extent stopwatch a other use-meawrenlenl device <br /> capable of measuring a 1 -second increment; <br /> practicable, :.i 4.2.9 Pess/Fnil Criteria. If them is no Inns in <br /> • <br /> The hYJrtistatit pre.win (room a high venter tabic _ - - ' r plumber's plug. vacuum level. an liquids are drown into One inlet- <br /> imposes inward pmxwre on the outer wall of a '� - 4.2.6 Test Procedure. initial spice during the test duration shown in Table <br /> UST. Applying a %m uum m she interstitial spar 4, i , and the lark second ry containment area has <br /> of the tank creates additional pressure on the ower 1. Install the plumbers plug in de interstitial no additional fluid than an die mart of the less. then <br /> wall. These combined (ores can damage tot riser(s) plow any tees. the tank secondary containment passes One est. <br /> secondary tank wall when them is a large defined 2. Connect the vacuum gauge, valve and the If them is any vacuum Int during the lot a liquid <br /> spur between ale secondary primary anal secoary tanks. vacuum-gencmting device to the fitting om dine am drawn into the interstitial space, then the tank <br /> Consequently, to present damage to We tank, it is s plumbers plug. The vahu should be between N:,mkr. containment fails the test. <br /> important toubsene the water table and associmcd 1 ' rJ the vacuum sauce inlet and the possum <br /> rm m memkJ v vuto levels when testing. ' n ' gauge. The gauge should be between the valve 4.3 Tank Secondary Containment Integrity Testing <br /> FIGURE 4-3. The % acnum gauge and control valva used middle filling so it will read the hicistilial sue- — klquidFllled Test Method. <br /> vital Use: primary sok m alnanphere doting tle for tank t tersdflal testing, auto when the valve is cloy vL The automatic <br /> Wall t•acuum shutuff vayve is Incited at the inlet of 4.3.1 Cenral This tat inedhxl teas Orae integ- <br /> In sense Installations* the frame Interstitial s - -- -- --- the vacumn producing des ice and should be rity of the liquid-filial interstidal space. Them ore a <br /> hxoct numherof variables thataffect this tot such a inlcr- <br /> nay be vented to minimize the buildup of comm- ✓ `, set at a minimum of 10 percent and ne amore suard bleu. tem atom, water able mid <br /> inlet- <br /> station. In these cuts. seal off any vent lines o the - than 2 inches Hg above the test vacuum. posher s sloe in the e.lemprimary rani: Refer to Appemii <br /> tank interstitial straws: prior to testing. 3. 6ssurc all connections; arc airtight. A fsrsp ecifte manufacturers' fest procedures. <br /> Oetermim• the volume of die tank. This infortoa '� 4. Stan the vacuum-generating device, and open - <br /> tion is available from facility record% a the amu- the valve. 4.3.2 Purpose. This general nethW is used as <br /> tem the integrity of the liquid-filled setondlaiy con- <br /> natic tank gauge (ATG) madam. S. Pull the vacuum o 10 inches fig fa fiberglass ainov:nt of a UST. <br /> 4.2.5 Steep Tanks. Determine if the interstitial ranks and 6 inches Hg for steel inks. Close the <br /> space is a "tight wrap" design or a "110% contain- valva 4.3.3 Description of Test. liquid is added to <br /> the interstitial space of the tank and the level is <br /> nem" design Tanks milli a 11004 rnnainmem S. Allow the vacuum to stabilize for a minimum brought up handle interstitial riser. The liquid level <br /> design should ase One latest version of Steep Tank of 5 minutes at the specified vacuum level. If is monitored fa a specified period of time. If Ole <br /> ImtitoWs (S7 ) Recommrndrd practice R012, a stable vacuum cannot be madnained, lest liquid level is maintained, then die containment <br /> Rernauaended Practice for Interstitial Tighmrss equipment shall be inspected for leakage. <br /> Trarfn o Etfttin Unde 1 Double IHdl.Strel system has paced the teen. <br /> g J ' g rgmum Repeat steps 4 and 5 moil o cable vacuum is <br /> Tants fa testing. -,� achieved- If a stable vacuum cannot be main- 4.3.4 Test Conditions. The primary conain- <br /> For tight wrap tanks, use the test method in this lairseJ, the tank secondary containment integ- ncent may contain my level of product Deta m im <br /> section. • <br /> lily test fails- whefherthe groundwater depth is ao %c the forme <br /> T. When the mount level stabilizes, record [lie of the tank. Consult specific manufacturer's pesce- <br /> 4.2,6 FIberglass Tanks, Determine if the inter- dura in regards to ground" rater and performing die <br /> vacuum level and Ute trot saA line. tot. No bulk deliverio .shall dew within 8 hours <br /> stinal space is win .* tight wrap" a of fi a a " 110% a. ohwne the vacuum lovl for the nal of r to conducun a duringthe tat No din <br /> a'may <br /> use this design. Ehler type a cion of s ink time shown in Table 4.1. pe ing occur during the duration of Oa estl <br /> s <br /> may use this est or the ares% version of Filer- _ _ _ g Y 8 <br /> gtau Turk S Pipe hurirurrk Field Test Prouscof 9. Retool the fired fist end vocuum level.f„r Testing tire Annular Spar of Installed Under. FIGURE 44. The plumber's plug provides a leak-fight ✓ �-' 4.3.6 Preparation. Determine the volume of <br /> ground Fibergbut Double and Triple-mull Tanks connection to draw a sacuum at the tank interstitial 10, chock fife fnmmtitiul space fa accuumlafion of the tank and identify the test being performed. <br /> n'hb Do Aeaular Spare, ITkP1410IN7. space. liquid. Tank volume information I% available from fxillry <br /> Opei.org pei.arg 0 <br />