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PARTI <br /> Page No. 10 <br /> Permit No.: CO-0000906 <br />inning no later than January 1, 2011 and lasting through th expirat o 0 ate 0he permit a d te <br />0 <br />• Be <br />50B e is audown prized to discharge <br />50D - <br />g <br />, <br />oundwater with the point of compliance established monitoring <br />to gr <br />monitoring wells. <br /> <br />Regulations for Effluent <br />t <br />u <br />the <br />Section 62 <br />initted discharge shallnot contain <br />per <br />1002-61, the <br />In accordance with the Water Quality tions?Secton 61 8(2), <br />ul <br />Re <br />S <br />d <br />g <br />ystem <br />Colorado Discharge Permit <br />d the follo wing limitations specified below or exc ow <br />eed the specifie <br />effluent parameter concentrations which excee <br />limitation. <br /> Effluent Limitations at MW 050B 050C and OSOD <br />Effluent Parameter (Effective January 1, 20111 <br /> Maximum Concentrations <br /> 30-Day Average 7-Day Average Daily Maximum <br /> <br />Static Water Elevation in Well, ft above sea level NA <br />Report ab/ Report <br />NA <br />Specific Conductance, dS/m NA <br />Report ab/ <br />NA <br />Temperature, °C Report ab/ NA <br />NA 6.5-8.5 <br />pH, s.u. (minimum-maximum) NA <br />NA 23* <br />Total Coliform, no/100 ml 2 2 * <br />NA Report <br />Dissolved Nitrate plus Nitrite as N, mg/1 10 NA Report <br />Dissolved Chloride, mg/1 250 <br />NA <br />Report <br />Dissolved Sulfate, mg/1 250 <br />NA Report <br />Total Dissolved Solids, mg/1 Report <br />NA <br />Report <br />• <br />Dissolved Arsenic, µg/1 50 <br />NA Report <br />Dissolved Cadmium, µg/l 5 <br />NA <br />Report <br />Dissolved Chromium (tri +3 and hex +6 forms), µg/1 100 NA Report <br />Dissolved Copper, µg/l 200 <br />NA <br />Report <br />Dissolved Iron, µg/1 300 <br />NA Report <br />Dissolved Lead, 4g/1 50 NA Report <br />Dissolved Manganese, µg/1 50 NA Report <br />Dissolved Mercury, 4g/1 50 <br />NA <br />Report <br />Dissolved Nickel, µg/1 00 <br />1 NA Report <br />Dissolved Selenium, µg/l 50 <br />NA <br />Report <br />Dissolved Silver, µg/1 50 <br />NA Report <br />Dissolved Zinc, µg/l 2000 <br />tation Technique is used for analysis (See Part I.C for Definitions) <br />F <br />ermen <br />* Multiple-Tube <br />See Part LC for Definitions <br />2. Percentage Removal Requirements (BOD5 and TSS Limitations <br />In addition to the concentration limitations on BOD5 and TSS at Outfall 033, the arithmetic mean of the BOD5 and TSS <br />concentrations for effluent samples collected during the calendar month shall demonstrate a minimum of eighty-five percent nt and ce removal D month by he espective dividing <br />con g <br />mean influent onentration for the ca endar m nith,eand ultiply neffluent <br />• concentrat ons for tthee calendar <br />the quotient by 100.