Laserfiche WebLink
• <br />Ctilitu waste disposal at the Trapper Ffine ~cs~s a potential hazard t~ pro,: r.d <br />:rater ouali tif. The c.`r_m_: ca' yr_al ity of the '.paste _~se_'f _~ such that if .r <br />:rould tom= -~ ^_ontact wi;.h r:•a`_er, da.eterious effects would probzbiu resu_t <br />(see Sec=ion 9.3.9.? of the ^~rm_it application). Size app_`caat presented the <br />results cf a leachate Stud4 done on the ut_iitu wastes in Section x.3...5 of <br />the oerm_t application. Generally, fire results s,ho:p that the leachate 'gill <br />consist of unusual2~~ Y.igh, con.:zntrations of TD3, sulfate, alurinum, barium: <br />boron, .=rowium, and mci,bdar.urr[ (see Table a.3--i.4 0_` the permit: applicati%~nj. <br />Tl:e con~entraticns of '°JS, aluminum, boron, and molybdenum are so F.:: rh t:aat <br />the ieachate water woulj be vnsuitapla f:r Gomes t_c, -rr_9ation,- or stcck- <br />wataring uses. The ru~iu a_sc srcwed that ..~ mere ::afar is passe:' _hrou?h :he <br />wastes, t:^e acncentratior:s of tF;e above-,v~nticned c.iemical species i.n the <br />Ieacl:ace decrease. Therefore, the leachate prei~tem is oe.ic temporary. F'ew- <br />ever, the low precipitation. and infiltration rates of the area dict<~te tF:at <br />the ccmplet-= leaching process would prohaoly to?:e tunrireds of :ears to return <br />wale= to basellr:e water ~ualitc levels. Tn `act, the aopiicar.t estimztes that <br />it will take app=exima=elg i90 Sears before wester could ir.filtrste completely <br />ttroveh rte sooi_'s and ur.ilitu :pastes an? recharce adjacent Ground warer %see <br />na gas 4-50 of the perr~iit ap oiica ti.on). <br />The disposal of auricipal waste From the _itu of C-airy and tF.e minesite inro the <br />:its noes not represent n_arlc the hazardrof utility :paste disposal. t2e haz- <br />ardous west=s, toxic wastes, dead anirals, cr petrc3aum wastes will be disposed <br />of in the pit. The waste that wi1I be disposed o~-:viiZ consist cP naFer, uar~, <br />trash, cars, bcttlcs, .kitchen garbage, and cardboard cartons. <br />_° a Ieachate from anu or all of the three sources discussed anoae care to be <br />oenerated, it would flow dowa9radiPp.t and enter ad_7a.^.e.at gra:^d :~~atrr sustems. <br />The only major zouifer 3ccated downgra dient of and in r?i rest hydro_cc;c ro.'.- <br />tzct m=th the spoils is tre~ third [:~F:ita Sandstone. If cortarcnated orourd <br />neater would leave the disposal area, the applicant esti,natss that about I3 <br />bedrocY. ::~e1is and 2 313'1 :-x=' :peI1s cou13 be affacted. These wells are listed en <br />paces .-99 of t'1e per:rit application. ''°he selective placesent conditians dis- <br />cLSSedLin the tac.kfi'linc and oradirg section should insure t:1:zt gzeund water <br />contamirati.on :.-ill not be a significant pro~lem. .4ewever, it: _~ imrcrtant that <br />an adecuate 7=ourd ::ace* .-oniter:rg sips=e.^ be dasi5•re3 scch !:hat anu crow^c weer <br />problems r~L'IG' be detected early-nn so miticating measures roUl? be imnlemen`ed. <br />Tl:e petroleua wastes -hat accumulate in the industr'a1 :uaste pond also represe.^.t <br />a potential hazard to gzcu::d water cuality (see Section ,.3.J..2 of ~F:e permit <br />anplica°ion). T.he .^onr7 wi;.l be full of petroleum materia]s and ~~as`_e ~.p,t~r which <br />seal? po ten t_.7llu rcc:~a.rac u::.aerl gi.n.p r;rour, ci wa to sus..^ms. T':^ arpl:c.:nt itas <br />eenors crated that the pond is adecuatelp sealed tc pre=sent ~_epace into e <br />adjacent gre~~nd water _°+ata+.a. <br /> T'.':e proposed operations zt =`te Trap?:er H_na shcu_d .have litt3_ off.=ct on r:ost- <br /> .~i,-.iru recirarae capacity. St^dies done by the applicant conc_ud~d that the <br /> echarce enpacitg cf th.e re_Iai,m~zd spoils ~pi'1 actca_'Iy be sL chtly yrea=ar <br /> than the crdlscu_bed conditions (sea Sect on ?.8.7.5 cf the permit aPp=:cation). <br />• The aoplic.=_nt esti -a tes r.h.~` r, re-mi ninr i.;=ilt_a t:on ca pas-~cy is en th,e ~~rter <br />