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I •XAUV UBYAXthfENl OF t1tAL1[[, Wafer Quality C'ortlro(Uivimon <br />Rationale-Pnge 3. Permit No. CO-0038024 <br />Settleable Solids, m//l <0.1/<0.1/<0.! 0.5 0 <br />Iron (Total), mg/1 <br />30-day avg 0.116/0.009/0.7 3.5 0 <br />daily max 0.1 f 6/0.009/0.7 7.0 ~ 0 <br />Oil & Grease, mg/1 0/0/0 10 0 ~ ~'-,~ <br />Total Dissolved Solids, mgR (~ - <br />Quarterly avg 840/550/1030 • - !'~~" <br />daily max 930/550/1200 " - .- ". <br />"State Salinity Regulations limit salirtiry discharges to one [an per day or 350 tons per year; tee section V8. Discussion afCompliance <br />BODs, mgA ~ _... ~„ <br />30.day avg /33.33/<3/1200 50.7K3/650 ' - <br />daily max 133.33/<3/1200 50.7/<3/650 <br />TSS, mg/1 -- <br />30.dayavg ~ - 270.6K1/3040 2196/<I/70 ;: <br />daily max 270.6/<I/3040 2/.36/<//70 ~ ' <br />Flow, MGD <br />~ay avg 0.008/0.00012/0.0432 0.008/0.000!2/0.0432 <br />ily max 7.027/0.004/80.0 7.027/0.004/80.0 <br />2. .Cmev .Ca _mnlinv: There are no recent state sampling results avai/able for this facility. <br />e'- <br />B. Compliance With Terms and Conditions of Previous Permit - <br />-. <br />). ~ftluanr Iimimhnne: The data shown in the preceding tables indicate that the Blue Mountain Energy Deserado Mine has ?'_' <br />maintained compliance with the previous permit f '-`- <br />VI. TERMS AND CONDIT/ONS OF PERMIT <br />A. Determination ojEfjluent Limitations <br />I. FBluvnt Iimitafinne: In developing suitable effluent limitations, the Division must review all applicable standards and <br />regulations and apply those, which are more stringent. This review includes, but is not limited to: the water quality standard <br />based effluent limitations, federal guidelines and standards (40 CFR Subchapter NJ and the Regulations for Effluent Limitations <br />(Regulation No. 62J. Such a review has been done for this facility. The only parameters for which limitations have been <br />determined to be necessary are shown in Tables V-1-4 with the applicable limitations. The basis for these fimitaiions is <br />discussed in section Y.A.2. <br />Flow, MGD Report Report Design Capacity <br />Total Suspended Solids, mg/Z 35 70 Federal Effluent Guidelines (BAT) <br />Totallron, mg/P 3.5 7.0 Federal EfJluene Guidelines (BAT) <br />Settleable Solids, mP/P N/A 0.5 Federal Alternate Effluent Limitation <br />O' and Grease, mg/P N/A 10 State Effluen[Regulations <br />u. (Minimum-Maximum) N/A 6.5-9.0 Water Quality Standards <br />mg/Q Report Report Salinity Regulations <br /> <br />