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<br />C(JLORdD0 D6'P:IRTM1(F.+VTOF1!l:A7Ff, If'rtnr Q+rntip~Centrnr Dn aion~ - ~~~ ~~ - '' ~~'
<br />Rnrimude• Paer I, prrnut Nu. CO.OU•r36AA ~ - -
<br />3. State SanrDlia,¢: There ar•e rto receru state sampling reszdts available for dris facility.
<br />B. Compliance Wide Terms mid Conditions ofPreviuus Periirit -
<br />1. Ejjhrear Linritntionsi Occasional erceedan_ ces of"cenaiu permit limits /rave occurredsiece tlreperniit ivcri issued These bore
<br />been, in general, one-time erceederrces associated with the sparadica/ly high grririud-water florvs that jollnav !urge
<br />precipinrthnr events, or a series afsudr events. Irt July of 1998, the single sample anal}•zed jot TSS (at 31 nrgA) exeerrlyd thc•
<br />30-da}' average aad dnil}• marinrtnrr Iiririts and the only sample airah~ed for unionized annnorria'(as N) 7m n_??f r„cn/
<br />ereeeded the 30-da}' rrverage Iinrit. Lr Septenrbcr of 1998, the CN„,,D concentratiuns.dightl}' exceeded the 30-drrr arerar>e
<br />((1.025 n. U O11 nrg/I). ,qll ofrlre f99g esceedrrnces rvrre nssacirnerl with a series ofmajnr•precipltatimr rventc resulthrg i)r u
<br />large mrrount ufprecipitution before the ercee~/un•es. CCcf V's letters in Augrut andOctober of 1998 eeplairrrdthe impact of
<br />high noraff •and flow throrr~/r AC-01.3 ussocirttei! x•ith storm events and asserted mr upset Condition hndaccrrrrerl, hf ,dfnr.
<br />June; July, mrdAugrcrt oj1999, t/re CA'~r•,n ranceutr'utirins (0.037.O.U35, 0:032; and O.U35 nrg/1, respectirrly) at Out(tr11001.1
<br />exceeded the 4.(131 argil 3(1-rlgv average limit. T7ir 30-rlrry average copper Iimit was also ercceded in Jrirre 1999 t0.0~J7 v.
<br />0.039 mg/p. CCR V asseried that an upset carrditiou occurred with respect to al/ of the eaceerlenees iu 1999 that wa.r
<br />utt, ;!nrtafile to a verb large precipitation event Ivhich crrrrs'edgrnurtrl )voter levels to rrre irr thr hr•drock srrrruumlirrg the 1' (1•:
<br />As a result, more resfrltml Carlton ,4fill tae/irrg nraterlal nurt• have been expose<1 to r+•[rtrrr t/tar crrrrierl crrurirle cr»nparnrd~
<br />(nurcrured rrs total etwrade% to the surfitre waters x'here the ennrpvunds Na>re c'mn'erted to CrV„ rig in tonceniratir»r.c hi~;rrr
<br />thnupermitltrnits. Thesecaurlitiorrswrrercpnrrcdrmde•.rpluinedtathr>Dirisiortinaseries•oflettrrssrrbrnitterlh}•CC'&I"or
<br />the latter hulJ'oJ'l999 turd catty ?(/0(1. 77re aquatic tije ofArca/rra Gulch, trs ilentonsriaterl by starlies torttbrr•ter/ during rhi.c
<br />time in c'wurectinn x'irh the lice Attuinnhilin An<tlaxie (C'harlwic'k: 199H and Chadwk•k. ?(101 j, renururr'd prntec'red. l he
<br />Dirision. in rr /etterlo CC& i'dnted dlarrh 1?, 3(111(1, conchrderl drat "The rnmplccr nattrrr>~(this sire mtrldie rrrrioue thraric~c
<br />ac to the cause uflrigJr CN„-,;, atrceedrnces »rm• nor I+e idcr+tified bra tlrc !rem y prec(plttuion eperrts like!}' hart a stgrrificnnr
<br />infhrcnce. "
<br />2. Other Pc>rrnir Rer~trtremiVrus: CC&Y bar, !rased on iirs/reertorn and rrvierc ojDAfRs and related suhmisstorre, c•rmq)ficd
<br />with all other appluable terms artd <'aaduions of7he erirting Pr>rintr.
<br />P'1. TERdISA:'4%J CONDII'!ON$ OF P6R,L/!T . .
<br />A. Drtrrnduutinrr ofF;Jjlucnt Liuritutionc
<br />1. EIIIucut LauiurrRrns - TheJidlox•rirg limits )sill rrpplr and are discussed irr Secdorrc 4%- ri?.
<br />al '4Vo Di.rc/rurge" Ltnriurtion fi»• the {!LF
<br />Esccryrt ar allau•ed corder tdec erenrptimts ctescrihed irr the ser.'tiorrs fielari~, there shall he uo ilisclrarge front the D! h'.
<br />purrumrt to federal efjluentguideline regrrlcairins ai 40 CI R, Part 4~I0.104.. This limitrr(iorr dons nn! apply to nor
<br />flora:r fi•nnr the grorur(/ neiter drainage svsten: rotder/vL~g the VLF.
<br />b), Annual Prccipitntiurr E,rrrupriar Front "Nu Disehaigr"Liur(tatiorr - Oritjall X038
<br />Pursuant rri 40 CFR Puri 4411.144, is !lre event that. the nnntral prccipitatiori (measured us a 3f,5-den'. nrnrnrg
<br />cn•eruge) JirHirrg> orr drr VLF aarl the druirrage area contributhrg surface rurrnfJ•to the VLF ereeede the unnrrnl
<br />rvaporuriar (also nrcusurcrl as rr 3fi.i-Jq)' mrivhrg uvrrug>r). a vnlrrure afrr•uter cyual m die dlJferenc•e henvervt unnrru!
<br />preeipttrrtirra jutlirrg un the Yl.Fmid die drulnrtg=e nreu conh-Ibraing sru jrce rwroff to drr fiuilin• mrrl the 3(~-dux
<br />nun°hrg average evaporntiarr mrt>,• be discharged .tuhjec! to the lir/riurttnns set jrirth irr Tirhle G%-? for putlirfl II4513.
<br />Verfial nridfrcrmion shed/ be given within 74 hours, and x•rittea uotificatiat slmll hesrrbmitted to the Dirision within 5
<br />rlgvs o(mty discharge from the YLF thiN 77•oulr! grurlj• firr this exemption. T/rLr will be irr uccrr~krncr to the
<br />described nrerhod in Purt f.A. I tc) of the Permit.
<br />c) Storm F..remptina Franr Federal Efjhrent Linriratiuns - Otrtjall4(/SB
<br />Prrrsucurt to 40 CFR Purt 440.!31, if, as a result o~precipitation, the t'LF has o discharge which vio/[rtes 1Huitcuiuns
<br />of44 C FR Prrrt 440 /Nem Source Pc~Jrnumce Stimdards). the discharge roar quulh• for au ererrrption front such
<br />limitrNirnrs tfllre fnllomfirg condiriorre are nret:
<br />iJ T/te YLF is decfgrred, c•nr+structcd mu! nrainurined to contain the nrarimum volrnne of water .voted and
<br />contained Gv the ~"LFcirrrrrg norT~rul nperutirlgcrrndrrious ic'tlhnrrt an arC'rearC la VO/rr1rl4' Of stofed nzucr h um
<br />prec(pitatiorr plus the nrarinnnr+ vohone o/•rvater resrd(irrg fi•onr (r l0-rrtu•, ?4-hare' precipitatiwr rs~ertr. /rr
<br />computing the nrasinurnr vuhrme• rf Irurer. arlriclr x'vuld result jrom a 111-year, ,24-hour pree/pttruiort cre'nt.
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