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<br />Nrtriorcn(r • Page 9. 1'errnir No ('O-0UJ36J3 (
<br />Tahle VI-?
<br />Limits far Outf«1100SB - L)»[irs fnr flrtnunl precrpita[ina Exe»rp[(w[
<br />front the •'Na Discharge "Ji•mn the YLF to Aregrur Grdclr 2r »[e«s[ved at AG-(II S
<br />'E
<br />fflaentPczrarn'eter Dis charge Limitations
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<br />' 30-Day Average Daily 1Llax . ' Rationale '
<br />~ Flotr, dfGD Report Rrlr«r•t Dtsc'hargt Assescme»t
<br />~ TSS, mg/! ~0 . -i0
<br />Effluent Limit Guideliaex (EEGs)
<br />Oi! and Grease, nrg/1 Ni' 10 Stare Eljlueut Regu atinus
<br />rfnrmorria, Total, lrg/I1 as N Report Repart {{•QS
<br />Copper. Dissolved ltg/! 150 30(1 EEGs
<br />:i-terctrn•, Total, pg/l I ' EEGs
<br />CI•a»ide, 6VeakAcid Dissoc•tahle, Nb'd Report ZO• {6'QS
<br />Ahnl+urru». Dissoh•erl, pg/1 Report Repr» ~t {{•QS
<br />Lear1, Dissnlt'ed, p<,/1 __
<br />rrCaruninnr
<br />Uissuh'erl
<br />/1 ~-~ 300 _
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<br />~~ /tltl _
<br />-_~.- ELGx •
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<br />L--_. 100 _
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<br />~ :Ifau~a»cse. Dissohr:l• pg;i
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<br />. /tg i
<br />v ~ lsvn ErGs ___.
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<br />[pH.srr(nrurrrnu»r-nrarnm(lu/
<br />.._. ..... .- NA 6.0-J.0 -
<br />EEGs
<br />... .,.• ........... ...nae....u,. nn unto nrlrrwnagau rs nusrnt'rL ngrnh samprrehnll lm roller4ad. ndaF'.r2 rf.7wrrrd, rorJ eTnLtarrd rrlnri+r ro lhr lO toga Jcill nnnwr:rr
<br />mlur. ,4?'.I = ,T'ur; Ippfirnhh•. Tfnrr it rtn non t limit nrrrcrnp:krr rhi, nc~rlrnrge n.. the (o+cJlns in:Ittvfun Qul~ h nM.ri• Nre rli.rhmgr it :rrn and rlu• lirnioninn ai drr vur.. a rh.'
<br />yul/utrmt in the d[srhnrge is nor rrrcessnnvo prmrrr the nomrrk'strrndnrr(. in .rnvprn (Bdrh. • 1'lrr srmu(ard fortherT'rc'ir'ing stre•nm is hntrd npon'yiyy"rprtnidr cnnrrrnrnnon.,
<br />Um. errr.rhrrt•n nn nrrnlrrienfprocrvlmrJor mrnsuring rhr runrrarrnikni ofJ:vrr'l nnirlClnu enrnylCT rffJl/rn/. Thrrr•ftirr,.J.1'T.37r.1nrrrirrnr.tiix'r<v}-tor Trsrin•~merl.tron~nr,[..
<br />nnn[f ncnl prrxrdnre DJ? iJ-li/l, e'ill be usrd ro nmmnrr• vrak nerd dinurinbM rrnmde in the .y(L,c.o. Thi.. mminirrrl pru.ednrt +firi d. re<t fief' n'nnidr pint IHo>e jonn...j
<br />. nmpG•x gTwidr that art runs( n•ndr11~ raarned r.. frre n'an[r(r. The arkulnrrrl r•1%hanl limitation of S pK •(u lcsti r/rrtn dre ('Ca@ L' •s r(rnmirsYrrard rGar•rnon lim[r ni IU r? r'Y
<br />7hrn9iue. alrnrirnr[onfnr wertk nriddisaorioble ctmrirlr•uifl Le sprc'iffNl.anA+fi(fhe.uv nprrrl ro rke•Aerr•r«mtffn+ir. Nru+tiAid arnAnriddnsnrinb4'r•ttmhlr ronermtrarinnvu~r
<br />lees rhnr the mrrhrnf rlrrrrrfntt ILnil of?f11rX't it wilt br• nsannrcd drnr thr• 31rg:Yf ~er r j noire snn:dorrl is Lcing ndequarrle prorrclyd.
<br />_'. Discussion nfEJlhreru /.imitations
<br />a) Appherrhle Federal F;/)hrentGrrirlelines and.Strurdurds: Ferlero/ F.fJltrent li»rit«tin» Guirtelitres «re »nt rrpplicrrh/c• [a dre
<br />di.cchurgeJi»nr put/idl 001.4 as this db'c•harge is Jrot cnlupriserl, irr x'lrnle nr in part. nfrx[ne rlr«i»rrge. -
<br />For Orrt(rll0(hB, F-fjluetrt Limitation Guidrlinec ("EEGs ") (irr TSS, lead, nrrrc•rrn'. c•adnriturr. =irre•. « »rl pfl trill he «pplird.
<br />;tln»[drrmg frrr other Ixuxrnrrtcrs frrr Orafal! OOIA rlurr tar li»rircd ur fnr n•hic•h rrrnnitm'ing at OOL4 is required shall hr
<br />mr»t(fored at OOSB in the ctenf nfu disclrafge. IJ s/rntdd bc' rrnled lhrrt llrere ore exentpf(nns provided jr~r dre• /ir»ils at !/tic
<br />nulfirll, providcrl that the' applicable' exerupfiorr rrgteirenre»ts ore nlct.
<br />b) St«reRegrrhuinnifarEffhrentL(m(tru(rnrs: TheRegulrttionsfrrrF.fJhrentl.inrirnriri»s(Rce>zdrrr)v» !2).«pplrtot/re c•nnrcrrtinnrr(
<br />poi/ru~»us-RODs.73'S,pf/,nil rurdgrerrse.«»drota(rrsidualchlorare. ForN~isJirc'((in•,tlreonlven»veraia[alpnlhrturrtsu/'
<br />cnxeerrr are TSS p11, «ml nil mulgrease T/rc• linduuiriu irr Rcb>rdatin» 6? fnr nil [rrtd oreace• x'ill he npp(ied. I•'or 7:SS', dre
<br />Div(sigtr lras' nssigrred lindts using best proJess(onal judameut (BPJj based nn a finding thrtt dris trill cause nn ec•r»!a»I(r
<br />flarrlship as the EEG-haser/limits frrr total suq)enrled solids were npplie!l to Dtrtfct1100IA irr the previous per»t& r»ul, other
<br />!(tart one nt(aor exceed«nce in the precidus five years: anailrynerrt Itas he achieved.
<br />The Divishm lots deternrirrcd, using its BPJ. [/rat inyros'itiorr nftbe 40 s.tr. nrinimitrn limit fnr pH in RrgRdatimt 6~, trhic•h is
<br />cqutvetlent to !/rat hr [he EEG, is ,rot appropriate [rs the permit requires eonrpliance x•ith nn eyuivaler!! xttteryuulin'.cta»rhnzic-
<br />lrrtsed Jinrit trhr:rr !!re tenrporan' mnd(fiar![on sturtdard fnr pf/ expires. - Pru•sttaut ro Re~rdu[ion 6?, SL'('tf077 (?.3(31. since'
<br />c(jluerr[!(m(tat(alt gtr(deli»es do not apple to Outfv11001Aan(!to rlisr•/rarges tmdcrthe Stnr»[ Exe»rptina From Fedaral E/Jlue»t
<br />Linrit«tio»s far Uulfirll OOSB, pll limits f<~r these nutfirlls wilt be huseJ upar the applicable !toter qualitt• standard Jirr pll.
<br />c) PolhttnntsLimitedbt'3{'trlerQtrali»•Standards=ThelVaterQ,ralin•CnnnulDivisio»b«sprrrfLr»redanasresvrrerrtnflxxc»dal
<br />x•mer quality suuulards-hosed cnsintilalive eapac•ities aed made a delernlinntio» nJ•the nssi»rilatire capaelty nfflrequa Gulch
<br />and Cripple Creek firr theExlhxanls uJ'cnncerrr. This ase'essnrent is attached as Appendix A ajtlre rrrtionerle.
<br />Lt conrpari»g the ambient n'aterquality data fi)r nronitoriug pni»rs AG LS and aG 1.0, shnsvn in fignrre 3 ofthe Pernr[r, there
<br />is a clear )ntprnve»g•nt in the !rater quality in Aregtrn Grdc•!r Jar parameters, tvlttch were nrnnitnred ar hot), Irxarians. ?'hrs
<br />iutprorenrerrl is troll tlocunrenlcd and lur.t been described in the U.4As prrserued to the Conanissinn in support ol'site-specific
<br />traterq[r«l(n• strurdardsfi/r.-lr(K/ua Gulch. Thc~ Dlrlsiorr has cunrpared the data ar AG J.0 u•i(h thr acsimilatire capac•i{r rJ'
<br />Cripple Creek firr the parmnerers listed i» Tablc• A-9 q(the ussessme»r med. with the exceptrorr of mr mrnnrcdnus value Jin
<br />merctrrv nt rite (I? ug%1 dcru•tinrr limit, t)ie maxintnnr mcastu•ed rahreJbr oath pi~rea»(•rer is lrss !brat nrsig»ifrcur[t)t• le.,:c thm
<br />lheat•aitrrhleacximilntirecapacit}•JbrCrillple0•erk. T)lesfac•[.i~rcnmh[natiorrxithtlresttorts>pnsstl>ilin•rlrrrtthc%Ioxru,iG
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