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_. <br />C'OLr)R.+p0 b1'l:rR77tft N?OF'HF9Tff iVarer Qrmlir}'Catrtro~ •-~ ~~ ~~~-~ ~ ~~~~ ~ ~~ <br />Rnrianrtlc - f'ngc f8. PcrmihVo. C'D-noJ3hJR <br />nenvnrk of cribhirrg located ... adjacent to ShelfRoud ... benveea the.Moffu Tunnef portal and Cripple <br />Creek'J; <br />c) The Cripple Creek Seep (described as "seepage that emerges along cite banks ojCripple Creek'): <br />r1J The Sauasr Gulch Pond (described (LS a "nxut-made pored (that) is located ... approximately I/4 mile belnu <br />Hig/nvati• 67 .:: on flee sorrtlreast side of Squaw Gulch Road' j; . <br />r) -The Saumv Gu1clr See (described as "seepage ... at several discrete locations iirtn Squaw Gulch henree•n <br />Xiglnvgv 67 ru+d the ShelfRnad "); <br />J) {'arious Arens in the tricirritn afdre MolTirt T:iunel (i.e.. "Moffat Tunnel portal properlx hfoJfat Turuu•1 portal <br />propert}• stna•naes, active and/or historic mines arrd/nr arras aftlisurrbrutce ); <br />g) The Snuan• Gulch Overburden Srorn e Area; <br />Ir} _Vnrinres Areres irr the Vicinin• ~5yumv_Gufch. (i.e.. "seeps. discreteJissures, ponds, actn•e recd/or histnr•i(' <br />mines, arerrc of mine disurrhnlrce, prriper~irs'%. <br />Non•ener. corrdttions daring these frrld visits ma}• not he represeattuN'c ofetn•trarntental coutlitinrrs present rtt the sire <br />during otlrrr rinucs r f the}•car. <br />Cnrunrenr ?(l There is era need IorJinYlrer rnnnitoriug nr nruni[nrirtg pvir+t AG ?.0. /t has beep dernnrtsrrated that the rtpphe'uhie• rnra•r <br />qurrlitr .ctamlards arc Ming nxa at Otrtjcdl(1111 a. and-drat wi11 ndcquately protect Cripple Creek x'uter quulin', n'bic•ir <br />rlimirtntes mq husis file mnuitorin/;~ at AU 2. t). Data uax preuerued shox ing iron. inercunt'nnd :inc tree not poltutunts nl' <br />concern, heca:rre• the overage and 85'" perci•ntilr slues urre sigrriJicmrt/}• hclmv tlu• opplicrrhle eater grurli~'sturx/nrd~. <br />Response ?0 T/tere i.c nn nrmrartrulr st:denr in place to rusnre llmt the quality n17he Hater reaching Cripple Creek n•il1 orcrinlaiu der <br />appliruhle tearer qualip• standards. Since the system is ukolfv dependent net the nuaualty acrurring ienpr•orer+rcut irr <br />seater qucr(ity hettieen .4G 1.5 anal AG ?.(1 to protect the stater quality standards in Cripple Creek. nronitoriug is <br />npproprinte to enstve tlrui this phenomenon c•nruinues. Quarterly monitoring x•il! he regrtired for:inc• and nunalrly <br />nuuritoritrg using dte !otter detet4ion limit will hc• reyuirrr! fr,r nrerctrn•. The nro»itoring regtriremerrr Jin• tutu! <br />rtrorcruhle iron x'i11 hc• renraved as tlure• is nn rcasaanble putrrrtial Brut tlrh paranuter to cause or currtribuu u, <br />excrc•rlmrcrs ajtlre ri'nrer tlrrttlih= stanlterrd in Cripple Creek. <br />Carnment ' 1 The ,45'8[,ercentik•-hrrse•d linritatiun xlinrdd he rn'ed as a plaeelu,lrle•r iurlr In derern+ine if mt erceerlrrx'c of the ilt-dqr <br />aceruge rx•cuneri. <br />Rcsporrse _'1 ris strimd iu }he rationnlr, permit limitations are to he urittcrt fn a riranner that respects the nretlrods hr sr/rich t/rt• ururr <br />qualih• standards x•crr derived. T'he_irrc• stnnderrrl is based on dre 35'r' percentile nffivc years uJ•rlulu. The•rcfine, the S?"` <br />pcn•errtile-based linrirntian firrsinc• trill soon!, arul nc~ reported raluehusrd on the roost recent 6(1-nmrtth period oJ'rrcord <br />iucltrrling the mouth for x'hieh the disnc~rrgr is being n%rorted. <br />Conunerit 2' The jrre cyanide ntethnrlaloa • is Irighft• set+sttire to i»terferenc•es, tend there is n priteutial fr~r firlse positirrs. !l•irh dre• <br />limitation bring so lnir•, as anonrrrlnus ercerdeuce Cnrrld be reported. Tlrrreslroald be au npporlmritytn nrkea secarul <br />sunrf}!e iJ•a Julse prixitivr is detected, and rcpnrt the second vuha•. <br />Res/>aure ?? .There m•e no restrictions in t/rc permit rnr inking duplicitre nr additional s<rnrples in rnr effort to Jirrrlur evalurue earlier <br />rrsirlLs. Floirevrr, each va/ue is repurlable to the Uivisiorr. -See Response 3 fur informnrion on the nnnlt7icul <br />methodology. <br />Comment .3 Data leas provider! ter the Division far paired dissoh•rd ugainsi prxentiullr dissnh•ed species jqr copper, lend, nicks(. <br />altuniuunr, carlntiunr. manganese, anr4inc tlrut verifier! dun there is.nn significa+rt diffi•renre hetsveett the paired .cangrle <br />sets ref the 95%cnnJi~lence lerel..4s state•r(irt Section 61.8(?)(R) ojthe CDPS regukuiora, ifit cmr Ile rlenronsn'ated char <br />there is na statistically sigrrijicant tlifferrr+ce ut a 95;n car!>ideace inren•al brnreen porentinllr• dissolved met dissnhr<! <br />methnilnlogies asbtg paired samples, the Uirision slur!! nl(nw the u.re oftlre dissolved murh•tic•u/melhadnlon>t• rn measure <br />canpliunc•r with such linritzuinns. <br />Rrslxnrsr 23 The Divis•irin tn•uhtatrd the paired rtata pursuant to Re~rdarinn G1.8(_'J(hl(ir). The suhstitrrtirin iu nrrthudolo~>1• fi•onr <br />poterrtialls' dissolve! to dissolved for ul:uninunt, earbrriuur, copper, trod, nuurganese, nickel. and one trill be rtradr in dtc <br />permit. <br />Continent 19 The prcn•iars permit did trot bore nrnnitoriug for !curl rnul nickel mrd there is no reason to believe that there arc <br />cnncerurutions in the srnstestream that will carecc ar cnatrihute to mr egceedunc•e iu the ss'irter quality sumdarelsf(rr du=.ce <br />riro rotrstinrerus. <br />