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~.~ c c <br />• C(1'~ORADO DEPART?lE\T OF HEALT4 <br />• 4:,ter Quality Control Division <br />Addendum - Page i <br />Permit•!vumber: CO-00:715=i <br />EFFLCE\? LIP.ITAIIOP+S: (Cont'd.) <br />3; Zn coy~pliance with the "Regu.laticns for impiemeniion c` the Colorado <br />Salinity Standards Through the CDPS Pernit Prcgram", the permittee shall <br />sample for salinity in the wastewater effluent on a monthly basis until six <br />sam?les have beer. analyzed. Thereafter, monitoring shall continue or. a' <br />quarterl~• basis. The. Division will review the first si>: months of data and <br />determine if a waiver o; numeric limitations can be eranted based o.^. the <br />salt-load tc the river being less than one tor,/da}• (or 350 tons/year). If a <br />waver is not granted, then the permittee has a: additional six months to <br />submit a report in accordance with the Salinity Regulations, addressing <br />economic feasability of salt-removal. <br />Com?fiance wilt, the effluent limitations in Table '_, for discharge point GOS <br />shall begin or. January 1, 19E4. This date is the time s?ecified b the <br />perr..ittee .`or discharge to commence frcm the ur:derground c.ine. Tire <br />limitations are designed to become effective at [he time when mine discharge <br />goes to pond D or to Foidel Cree4: if pond D is not used. <br />Since the permit is <br />for coal tines gust <br />• also being modified <br />003, 004, OOb, 007, <br />limitations. <br />in effect until December, <br />become effective no later <br />to incorporate EAT limits <br />OGE and 014, Table 3 bei <br />19S5, znd since EAT limitations <br />than July 1, 19&~, the permit is <br />for discharge points GOI, 002, <br />~W shows the appropriate <br />T=_ble 3 <br />Effluent limitations for discharge ?oints <br />OOi, 002, 003, OG4, OOc, 007, OOS and 014 <br />I. During Periods of ~o ?recipitation <br />Parameter Li-_taticn <br />Flow (civD) 6!A <br />pY (sul 6.5-9.0 <br />Oil and grease (vigil) 10.0 <br />Total Iron (mg!1) 3.Si7.0 <br />Tcta'_ Suspended Solids 35/70 <br />(mg/1) <br />Salinity 2/ t•fonitoring <br />Rationale <br />Monitoring <br />[JQ 5 <br />SES <br />BAT <br />BPT 1/ <br />Co. P.iver Sal. Revs <br />"lor.itorirg _°recuencv <br />Weekl}• <br />Weekl.: <br />Weekl}• <br />Monchl}- <br />Pfor.thl}' <br />Quarterly <br />II. During Periods of Precipitation Less Than or Equal to the 10 year-24 <br />hour e~-e ni. <br />I'araneter Limit:~tion Ratiooale monitoring Frequency <br /> Flow (?4GD) tr'i1 A;n.nitoriag Weekly <br />• pH (sul 6.5-9.0 w:,S Weep:l.: <br /> Uil and Frcase (ml:il) 1C.G SLS [J2ekly <br /> Settleable So'_ids •5 EAT Weckip <br /> (. ,r <br />^..~: :r <br /> Sslinic 'mc:tri "c. '.i.~~r ,,;7. '.etc. '~u:;.. ._ <br />