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<br />COLORADO DF_PARTMENT OF HEALTH, Water Quality Cantro7 Division
<br />Knrinnnle - Pnge 3, Permit No. CO-0043567
<br />llr. FACILIT}' DESCR/PT/ON
<br />A. lndrrstr~~ Description
<br />1. Tyoe o(Industrv: This jaciliry is n coal mine. Production has ceased and reclmnation is in progress. 77+e
<br />reclanwtion has not progressed to the point ojpost-mining, as defined in Federal regulations as the paint
<br />where regrading has been completed and revegetntion has begun. The permiaee espects to apply topsoil nnrl
<br />revegetate during the third quarter of 1994. The federal guidelines which apply to this jaciliry are found
<br />under 40 CFR 434, titled Con[ Mining Effluent Guidelines. Federal BAT (Best Available Technology) applies
<br />to the older discharges (autfalls 001 - OOSj x~hile NSPS (New Source Performance Standards) applies to
<br />our(n1Lr 006 and 007 because they were constructed after the regulations were proposed (May 29, 1981).
<br />?. Sources to the Treatment Plant• A[/ seven pond/outjalls receive surface runofjfrom precipitation from
<br />rlis(urbed areas. Ponds A, B and C will receive runofjwnter that hrrs entered the mining pits nnrl has
<br />subsequently been pumped our to the ponds for settling and discharge. Under Federal definition ojmine
<br />druinnee, this inter is process water, also referred to as mine ,rarer. These rlrree ternes nre inrerchnngeubk-
<br />in this permit.
<br />3. ChemicnLr Used: The pernittee has stated that various pol}~meric Jlocculants mn}• be used to aid in .cett(in,q of
<br />.wspenrlerl solids in the mine water, however no Material Snjeq~ Dorn Sheers (AISDSJ were submitted with the
<br />pr°rnut application. The Division nwst review the MSDS for each chemical prior ro aurharizing its u.re rn
<br />rlerermine whether it will impact the receiving water and if additional permit conditions nre requverl.
<br />Brcnuse none hove been reviewed a( this rime, no chemicn/s ore approver/ for use ar this time. Review and
<br />approval con be accomplished through n minor permit rnodificarion x•hen such approval is requested.
<br />lJ. li'nsre„»ter Trennnent Description
<br />77re Dole treatment is settling with the possible assistm~ce of the chenucals menrionerl in the above section.
<br />Pureua,u (o the nuthorip~ of Article 9, Tide 25, Regulatias for the CeruJicnria+ of R'nter Trerrunem Plant nnrl
<br />q'rr,~rr~~r::er Treatment Plant Operc:ors, dvis jaciliry will require a certfed operator.
<br />PERFOR,1/AA'CE HISTOR)'
<br />1 D~srhnr~e Mm+irnrine Reports: This is a new permit, however, the site hn.t lint/ latg (eon permit co,rrq,c
<br />/i+:cr rhnm,Gh an mrlirirhm/ permit (CO-0030724), then n general nernut (COG-850023), end no+r another
<br />ualmid+u+( permit. Disrhnrge qunfiry under the mast recent perms:. COG-850023, +s rhsnesseri herein Durn:,
<br />the period re,•ie„ ~erl -April. 1992 through ,4larch. 1993, dare „n~ no dtcchru~ge reparerl fur outJall.r 001,
<br />002, 003 and 007. Nu di.cchnr;~e was reported for aurfnll.c OOa, 0'J= and 006 Jm rl+e period from Juh~, 19:.
<br />rlutnigh March, 1993. Hu,rerer, disclnrge ,rns rrparterl jar rhea%' three nur_/olL for the c'n(endrrr quarter nr
<br />.April t/vuugh Junr, 1992. These results nre sunm,nriZed Belo,+~.
<br />?'nblr Ir-l -- Se!(-hlonirorirre Resrdts for Omfnlls 004. 005 and 006
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<br />
<br />i';ueunr(rr Ourjnl/ 004
<br />dlinhlfar Ourjnl/ 005
<br />Alin/Mat' O,rrjnll 006
<br />Alin.~llu.r Previous
<br />Pcnnif
<br />Lirnirnriar \b. of
<br />LirniNUios
<br />E.ccursions
<br />',~,~, A1GD 00436 0.008= 0.0705 Vonc -
<br />; ;~. niii' /31.2/292 32.5/86 60.6//96 3~%70 004 2. 005 !.
<br /> 006:
<br />;;a,d h nn. nr•:i 2. 9/i5.67 /.4/3.21 /.75/~.l- + ~/7 Q n
<br />ri 1. ,.u 7;-5'.6 8 3-8.? 8 3-8 = 6.?-9.0 0
<br />r,~i ,l Gu•rse, :nc/P 0 0 0 IU 0
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