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<br />Federal Register / Vol�, No. 185 / Friday, Seplember 23, 19[)tl Rules nnd Regulationa 37187
<br />necessery to collr.c� nnd transporl the
<br />(low o[ surfece waler nm•off resulting
<br />from precipilalion, or domeslic,
<br />conunercial, or induslriel wastewater lo
<br />and from relention ureas or any areas
<br />where treelment ie designeled lo occur.
<br />7 he collectlon of slorm wnler end
<br />waslewaler does nol include treelment
<br />excepl whereincidentalto conveyance.
<br />"Surfer,e impoundmenl" is a nnlural
<br />lopogrr.phic depression, man-mode
<br />excevation, or diked aree tormed
<br />primarily of earthen materials (olthough
<br />!i may be lined wilh men•m�de
<br />m�lcrinls) thal is nol an injcr.linn wcll.
<br />"7'ank" is e slalionory device
<br />designr,d to conle�:� uu eceumulalion of
<br />regulalr.d'aubsl!;ner.v and construcled of
<br />non-cartheninale.rinls (r..g., concrcle,
<br />sle.cl, plastie) :hTl providc struclural
<br />support.
<br />"Undergraund aree" mcans nn
<br />undcrground room, �uch es a Lnsr.mcnl,
<br />r.ellat, eheft or veul4 providing r.nough
<br />apece for physicel Inspeclion of Ihe
<br />exterior of lhe lenk eitueled on or nbuce
<br />thc surtace of the floor.� �
<br />"Underground release" means nny
<br />belo�+•ground rele�se.
<br />"Underground storage lank" or "UST"
<br />mcans eny onc or combinetion of tanks
<br />(including underground pipes connecled
<br />lhereto) Ihet ia used lo conlain en
<br />eccumulation otregulaled subeWnces,
<br />❑nd lhe volume ot which (including the
<br />volume of underground pipes connr.cled
<br />thereto) is ]0 percent nr more br.nr,alh
<br />the surfece of lhe graund.l'his term
<br />does not include nny:
<br />(n) Farm or residenlial tank of 1.700
<br />g;illons or less cepacily used for sloring
<br />molor tuel for noncommr.rcial purpases;
<br />�L) Tank used (or storing hcoling oil
<br />far cansumplive usc on lhe prr.mi,cs
<br />whcre elored:
<br />(c) Septic tank;
<br />(d) Pipeline Incilily (including
<br />galhering linesJ regulaled undcr:
<br />(7) The NaWrnl Cas Pipclinc S:dr.ly
<br />Act of 19Fi0 (49 U.S.C. App. 7G7�, r.! seq.),
<br />or
<br />�?.)'I'hc IlazarJuus Liyuid Pipclin�
<br />Sa(cly ACI Of 1979 (49 U.S.C. App. 2U01,
<br />cf sr.q.), or
<br />(9) 4Vhich is an inlraslale pipclinc
<br />facilily raqul�led undr.r stale laws
<br />r.nmpurablc lo lhc provisions af Ihc larv
<br />rr.fr.rred to in parngraph (d)(7) or (JJ�2�
<br />.uf Ihis definiliun;
<br />(ej Surfoce impuundmen6 piL pnnd, or
<br />Ingonn:
<br />�fJ Storm•wntcr or wnstewnlcr
<br />cullcr.tion system;
<br />(RI Plow•Ihrough process Innk:
<br />(hJ Liquid trap or assnr.i�lc� gaihcring
<br />lines direclly reloted lo oil ar g:is
<br />production and galhering opr.rolions; or
<br />(i) Slorage lenk silualnd in an
<br />undcrground erce (such as n bnsr.menl,
<br />r.ellnr, minr.working, dri(I, sh;dt, or
<br />lumir.l) if Ihe sinragc lm�k is xilunlr.d
<br />upon or abovr. lhe surfar.e r.t Ihe floor.
<br />7'he tr.rm "undcrqround stornge tank" or
<br />"U51"' dnr.s nul include any pipes
<br />connecled to :�ny lank N�hich is
<br />desr.rihed in paru;rnphs (a) lhrough (I)
<br />of lhis definilion.
<br />"Upgradr." mr.ans Ihc nddiliun or
<br />rclrolil o( sumc s}•slems such us
<br />cathodir, prolcr.lion, lining, or spill end
<br />ovcrfill conlrals lo improv� the nbilily of
<br />an undcr�round slorage lank syctcm lo
<br />prevenl Ihc release ot producl.
<br />"UST syslem" ar "T'nnk syslr.m"
<br />mcans nn undr.rground sloraPe tank,
<br />couner.led unJer�rnunJ piPing•
<br />undr.rgruand nncillnry cyuipmonl, nnd
<br />contninmenl system, if any.
<br />"LV�slc�n•alcr trcnlmenl lank" mcans
<br />u tank Ilml is desigucd to rcccive and
<br />irenl nn in(lucnl wnslc�volr.r lhrough
<br />physical. chemicnl, or hioloricnl
<br />mell�ods.
<br />Subpart 9—UST Systems: Design,
<br />Conslru;tlon, Installation and
<br />Nolitfcation
<br />§ 200.20 Perlormance st�ndards lor new
<br />U5T systems.
<br />In order lo prevcnl rclenses Juc lo
<br />slrur,lural failure, corrosion, or spills ond
<br />ovr.rfills for ns IonF os the UST system is
<br />used lo slnre rr.gul�led su6slnncr.s, nll
<br />owners and operalors of new US'P
<br />syslems must mccl lhc follo�ving
<br />requircmr.nls.
<br />�n) 7onks. F.�r.h Innk must bc prnperly
<br />desiFned nnd r.nnslrur,led, nml ony
<br />porliou undcr�roun4 lhnl rnu!inely
<br />contain, pmdnr,t mnsl 6c pmlr.r,lr,d from
<br />cnrrosion, in acr,nrdnnce wilh a r.odc of
<br />pr�clicc dcvr.loped by u natiannlly
<br />rocosnixed assor.iulian nr indepr.ndenl
<br />leslinr I��horutnry as sper.ificd br.luw:
<br />(t j'I'!ic lank is construcled of
<br />fiberf;lnss-rr.infnrcr.d plaslic; or
<br />Nole'llir. fullna'inp induslry cades mny be
<br />uscJ lu r,muply ��•ilh parn�r;iph �01111 of Ihis
<br />secliun: Uudenvrilerc Lnbnralorics Sl�mdard
<br />7J16, "S�:md:vd for C:lasx- FiucrvRcinfnrced
<br />PI��sIir,llndcrprounJ Slnragr,'I�nnks fur
<br />Pr.lralcum I'mJncls': Undcnvrilcr's
<br />la6arnludes of Cnnndn CA\'4-5615-M09,
<br />"SlnnJnrJ far Rr.inlnrr,r.d Pl:isiic
<br />lindcigrmmd Tnnks fur Pclrulc,un Prndncl.s";
<br />or Ani��ri�:nn Sm:iuly uf'�r.slinF anJ �1:ilcrials
<br />RNmdnrd D91121-OU, "SlnndurJ tiper.ificuliun
<br />for Gln;s-I'iLr.rlt�:in(urced Pul}�cslr.r
<br />llndr.tgion�nl Pr.trolm�m Slorngc l�nnkx:'
<br />('LJ'I'hr. 1;mk is construr.leJ of slr.cl
<br />nnd calhodicnlly prolccleJ in Ih^
<br />fullowiu� m:�nner:
<br />(i) 7 hr. lank is r.aaled witli n suil�ible
<br />diclr,r.lric mnlcrinl:
<br />(ii) I ir.ld-inslnlled r.ulhudic prolr,r.lion
<br />svstems ,irc drsigncd by a currosion
<br />r.xperl;
<br />(iii) Impressed currenl syslems are
<br />destgned to allow determinulion of
<br />current operaling slelus as required In
<br />4 280.31[c); and
<br />(ivJ Calhodic proteclion syslems ere
<br />operaled and meinlainedin nccordance
<br />wilh § 2P�.31 or nccording lo guidelines
<br />estublished by thc implemenling n�ency;
<br />or '
<br />P:nlc:'I'hr. fullowing cades end slnndards
<br />mny he usr.� tu comply wilh paragnpl� �a)�2�
<br />ot Ihis ecr.linn:
<br />�A) Slecl Tnnk Inslilule "Specifir.etlan fot
<br />S'1'1-1'3 Syslem o( Ezlcrnxl Currosion
<br />Prnlcclion of Untle�round SIeelSlornge
<br />Tnnks";
<br />(D) Undr.rwriters Laboralnries Standard
<br />V41t, "Carrnsion Pmleclion Syslems for
<br />UnJcrR�uund Slornge Tenks";
<br />�CJ Undcrwrilere Lebnrnmrics of CnnnJa
<br />CAN4-SfiO3-MBS, "Slendnrd for Stecl
<br />Underground Tnnks (or Flnmme6le end
<br />G_nbustible LiquiJs;' end CAN4-Ca3.1-M&5,
<br />"Slnndard for Gnlvanic Corronion Pm�ection
<br />Syetr.ms for UndergrounJ'I'anks lor
<br />Flammnble nnd Combustible Liquids," end
<br />CAN4-5631-MB9. "Isoleting Oushings for
<br />Slncl Undergraund Tnnks Prolected wilh
<br />f,onlings and Gelvonie Syslem.s": ar
<br />(U) Nalimiol Associetion of Corrosinn
<br />8nginer,rs Slnndard RP-02-O5, "Cvnlrol of
<br />Cnlcrnnl Corrosinn on Mclnllic �uricd,
<br />Parlially Iiuricd, or Submerged Liquid Storage
<br />Syslr.ms:' nnd Underwrilers laboralorics
<br />Shmdurd 50, "Slamh�rd fnr Siccl
<br />Undcrground Tanks for Flnmmable enJ
<br />Combusliblc Liquids."
<br />(9� The tank is con5lnicled of a steel-
<br />fiberglass-rcin(urced-plaslir, composile;
<br />or
<br />Nnlc:7'hc (ullowing induslry codcs mny be
<br />nsed lo r.omply wiih parngraph �a��7) of lhis
<br />scr.tinn: UnJenvriir.rs La6oratnrir.x SlnndarJ
<br />n46. "Corrosion ProlcGion Sysir.ms for
<br />Undr.rgrounJ S�nrnge 7':mk.s," nr Ihc
<br />Associalinn (ur Composilc l'unks ACI'-000.
<br />"Speciticnlion fnr Ihe F'aLricnlion ot FRP Clad
<br />UnJcrground SloruGe Tanks:'
<br />(9) The lank is r.onslructed of inetal
<br />wilhoW eddilional carrosion prolection
<br />measures �rovided Ihnl:
<br />(iJ The tank is inslalled at a sile Ihnt is
<br />delermined Uy a corrosion experl nol !o
<br />br. corrosive enough lo cnuse it to Iwve a
<br />rcicase duc to corrosion during ils
<br />oper�ling life; end
<br />(iiJ Owners and operalars mnintain
<br />rer.ords that demon�trnte campliance
<br />�+•ilh lhr. requirmnenls o(paragraphs
<br />(n)�4J(i) for llir. remnining li(e of lhc
<br />lunk:vr
<br />(5) Thc lank cons;n�r,lion and
<br />r.nrrr,sion prolection are dc�crmined by
<br />Ihe implemenlin; oP,ency� lo bc desi�ned
<br />la prr.cr.nl thr. rclr.asr. or lhrentened
<br />rr.lcace o( nny slored regulnled
<br />Subslanr.c in n manner lhal is na Icss
<br />prolr.r.livc o( human health nnd thc
<br />r.nvirnnmmi� th�n parngraphs (a) (7J
<br />Ihrout;h (1J of lhis section.
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