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COLORADO DEPARTMENT OF HEALTH, Water Quality Coruro! Division Rmior.nle - Pnge 13, Pernrit No. CO-0032638 uJ Seere2nriorr of Sronmrarer Dischnree.r: All discharges covered by the stonnwater pwrion of this permit shell be composed entire/}' of sronnu•nrer (eccept ns discrssed nt Par LE. 2. b) ojrhe peruitJ. Sronuwnter which nri.res midi process cc'nrer is subject ro process wnrer controls. Discharges from sources other than stornwnrer rnrrsr be addressed by the process wnrer controls in this CDPS pernrir. Arens not covered 6y the ecistirrg ditch nett pond .rvsrenrs are the outslopes below portals, roods, and possibly other areas covered by small area exemptions or mining areas xdrich ecisred prior to the state Mined Land Reclamation regulations taking effect. bJ Srrnnnvnrer Mnnneement Plans (SWMPsI: The purpose of n SWMP is to identify possible pollutant sources rhnr may contamhmre srormwarer and to set our best urnnngement practices that, when implemented, will reduce or eliminate any possible wnrer quntip~ impacts. A SWMP was developed jot the Edna Mine, nrui verification of its developmerst was submitted to the Division on with their permit application. 71ae SWMP shell be amended ns necessary and kept current in accordance with good engineering practices. 71re plan shall ident~ poreutial sources of pollution which may reruonnb/v Ge erpected to affect the quality of srornnvater discharges associated with irulustrial activity. !n addition, the plmr shall describe and ensure the implenrentntimr of prncrices which are to 6e used to reduce the pollutmus in srornrrrnrer discharges associated with industrial ncliviry nr the jaciliry, mrd to nsstn'e compliance widr the rerna and conditions of this permit. Pittsburg arut Midway Conl Mining Co. must implement the provisions ajdie SLUMP ns a condiriou ojthis permit. Coutenrs nrrd requiremerus of the SWb1P are discussed in the pernut at Parr 1. E.2.6J. cJ Slt?l4P Conmlimrce.• The SlYA1P shall be implemented as written. 71~e SLirMP shall be updated ns appropriate, earl signifirnm mnendmerus sera to rbe Divisiar. ;lJ C~rehen,cive Facilirv In.cnecriorrc: 71re permirree will be required to make a thorough iuspectimr ojtheir srornnvmer manngemeru .n•srmn, a( len.cr nvice per cent (in the spring mrrl fall). These irupectioru nur.rr Ge documented mrd sunmmriced in die muuml report. (See Part LE.2.f) of the permit.) eJ Anmur! Rennrt: 77re permit ee will be required to submit art armual report, corering 3arrumy 1 through December 3/ of each 1'enr, wr the overall conrplinne'e with the SRrh1P. ?. F_crnonric Rrnsonableness Eralunriarr: Section 25-8-503(8) ojrhe revised (June 1935) Colorado Wmer Qunliry Caurol Act required the Division ro "determine +r•herher or not mry or all ojrhe wnrer quality stmrdnrd brrserl rf lacer limihuions are rerrsannb/v related ro the econonuc, enrironmemnl, public health and energy impacts ro the public mrrl affected peccorrs, and are in Jiu'drernnce of the policies set forth in sections 25-5-192 and 25-8-104. " %he Re,cularian.r for the Stare Disclmrge Permit Sye'rem, 6.1.0, further define this requirement under 6.12.0 and store: "lYhere ecaiomic, euriroumenrnl, public hen0h mrd energy iniprrcrs ro the public mrd rffecred persons hm'e been cansirlererl in the cln.ccificnrions and srnrrdnrds sewing process, permits u'rirren ro meet the standards umy be presumed to have rni;en into con.cidernrion ernnomic factors unless: «) A nen• permit is issued where the rlischnrge rc'ns nor in erisrence nr dre time of rlre clnssifi cation mu! smndard.c rulcmuking, or h) br dre case of n continuing dischm~ge, ndrlidounf it jarnmrion or j«erors hm~e emerged rhnr were nor nmicipnrerl or consirlererl m the time of nc~ cln.csificnriar mrd srnndmrl.r rulemnking. " The er,duuriun for this permit shares rhnr the Wurcr Quality' Control Cummi.r.ciu+r, rhu~ing rlreir proceedings m adopt the C(n.c.cificnriar and Numeric Sr<uulnrrls far the Lotter Colnrnda River Basin, considered economic rensanublcness. Fm drernrore, this is nor n new discharger and no ne~~• it farmmiwr has been presented regarding dre clnssificnrion.c rrnd srandrrrdr. 77mrejure, the wnrer qu«liry standard-based effluent limitnrions of this permit are determined ro be reasunablc termed ro the economic, enviranmenral, public healdr and energy inrpncts ra the public and affected parr aec nni are in jm rherum•e rf the po(icics set forth in Sections lS-S-102 tool 104. f the permirree di.cugree.c irirh this Ji«rling, pr~suunr ro 6. 12.0(2)(bJ rlre permirree should .arbmir all pertinent it jorrnnrion ra rho Divi.riun durin;• the public novice period.