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• <br />PART I <br />Page if of 19 <br />Permit No.: CO-0027154 <br />A. TERMS AND CONDITIONS (Continued) <br />(Outfall 007) <br />Any discharge or increasy in volume of a discharge caused by <br />precipitation within env 24-hour period erecter than the 10-year, <br />24-hour avant (or series of storms or snowmelt of eauivalant volume) may <br />comply with the following limitations subiect to burden of proof <br />raauirements described in Part I,A.6. <br />Effluent Parameter Discharge Limitations <br />Maximum Concentration <br />30-day eve, a/ uax, c/ <br />r1 <br />LJ <br />Flow - (MGD) Report rt <br />Total Racovarabla Copper (me/1) 0.022 J.044 <br />Total Racovarabla Manganese (mg/1) Report Report <br />Total Racovarabla Zinc (mg/1) 0.05 0.10 <br />Total Recoverable Iron (mg/1) 1.0 2,0 <br />Total Dissolved Solids (mg/1) 5000 Report <br />pH - (Standard Units) shall remain between 6.5 and 9.0 c/. . <br />Oil a nd greasy shall not exceed 10 me/1 c/ in env grab sample nor shall there <br />be a visibly sheen. <br />Additional conditions-affective at all times: <br />Thera shall ba no discharge of floating solids or visible foam in other <br />than trace amounts. The discharge shall not contain env sanitary <br />sewage or other pollutants not associated with active mining operations. <br />Syy part I, C, for Footnotys <br />Amendyd 03/19/87 <br />Amended 12/21/88 <br />Amended /O /.~7/'Y9 <br />Effective /~/~//sr~ <br />• Cody: S - 8 Data: 9 - 84 <br />