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®_ <br />;~ <br />~~ <br />I` ~~' ff (j~~f{~( iiII '' ll <br />ILL. Coal Company <br />Page d <br />UISCUSSIUIJ UI' Uel'P'1 (continued) <br /> <br />appro:;imatcly 10U feet frc7m test site ;i-'• lidcquatc d.i.sncrsion <br />ct fucJitive du~c i:, .titnitcd l.y the hi, h l„tJ.ls of thr Gu.!.ch <br />;ntd com,u~und~xl by ti:e high i,.~rcc++tacu: of :>ou~h Lo •:ou.tha:cst <br />t:.inds carrinc{ thi a •_lusc tip +.he cany~m 'l'ire '!'Si' 1 c~,•1 s <br />obtained frc7tn ibis sou+iJleJ: fur the du at,m Uf t.inle at <br />the old l.ocatiun .arc not considc;:cd r. prc:;cntativc oi: <br />bachyrouud lovcas for this rcasou. 'i': P lr;vcls out,tincd <br />from 'lest Site ;: ). (new 7ocati.on) arc , ons~.dcrcd m(Jre <br />rCp Y(::i:•^c•lC1VC o:c actual bacl;gi:oun(1 'I': P Conceni:'ration <br />L•c(:au::c chtst resu.lcing directly from loot} traffic has <br />less impact. <br />The sumpl-cr located nt test: site ;;1 is al.ao in c]ose <br />{+r U)(11111 t1' tU ihC +(Y al'e1 J.Ua(l. Il'. i.:i, hOt:'(:V E?r, ApptU:i l.lllatCly <br />2U feet hiyhe*: than the rood. I'i.c7.d t Ir.,ci:vati.cus reveal <br />that:. du~~c rcaulii.t~g di_re,:i].y Lrom tr.ai fi.c on the toed does <br />not roach thl:i sal pl~~r. 'i'hc '1'S1' lcvc~l~ oi7tai.ncd 1rUin <br />this aa,npler arc consi.d~ ed to be rcprescucatrve of the <br />background levels in this: area. <br />It is susl~ccted that th~~ wi.nd actl.v=i~ in the ilaydcn Gulch <br />a.rca i:; laJ:cJcly ir.fauen~.c d by synoptic r;i.nds that arc <br />channeled through the uu .ch )Jy the suJ rounding rnoun~.ains. <br />The synoptic clindr in Lh..s area a.re gc neraJ.l~ frcan the <br />Fie:it: l1Ui'lC VC:ir wlitd.'; i). Oll thr± wC3t ~a l: tllU lllC tCUT:U I_(_ItJ1Cd1 <br />station arc uc.7i L~rc:~.~.lc.n~ due to the c7.o::c pro:(ilnii:y o[ <br />iti.ghcr ti.dgc:; daruciJy lnat. Urai.n++rJc binds :in thc2 gu.lcit <br />nre mini-mnl. 'Thin can be noted by th(• low percenraye of <br />taind:= from the no,th anti t~orthca:;i.. 7 not:mal drainage <br />hat tern for the gulch c•;ould be lo`.a veJ ~cii:y winds flowing <br />doFitl the canyon from the northctast. 7'tis dre..inaue pattern <br />is believed L-o Ue cJV~rcome by the larger scale drainage <br />t/inds resulting from the mountains dir~.:ctly south of <br />IIaydc:n Gulch. <br />COIJCLUtilOIJS <br />'Chc data collcciec'. and anal.yacd fJ.om F.ty 'L, 19'77 to /ll?ril <br />3U, 19'IEI, from Lhc l;rol•c,scd ILG. min(' siLc ia7.l.s-hell bclot7 <br />the standards estctb.lislu:d b}• cite Stacc of Culorado. <br />E3y proper: use aC c'usi: aLn;.r•,ucnt tecl~~l:id~,cs, fugi.ti.ve dust <br />pollution in tlti.s aJ:ea resuJ.ting f.r(mt mine operation is not <br />expected to exceed tiro allowable levels. <br />