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<br />..-, • <br />3 <br />A. TERMS AND CONDITIONS <br />1. Effluent Limitations <br />P I <br />Pa la of 19 <br />Permit No. CO-0024562 <br />Beginning immediately and lasting through March 31, 1997, the permittee <br />is authorized to discharge from outfall serial numbers 001, the <br />discharge of mine drainage from the Carlton Tunnel bypassing the <br />settling ponds, and 002, the discharge of mine drainage from the <br />Carlton Tunnel after flowing through a series of four settling ponds <br />and monitored adjacent to and upstream from Teller County Road 68 prior <br />to discharging to Fourmile Creek. <br />In accordance with the Water Quality Control Commission Regulations for <br />Effluent Limitations, Section 10.1.3, and State Discharge Permit System <br />Regulations, Section 6.9.2, 5 C.C.R. 1002-2, the permitted discharge <br />shall not contain effluent parameter concentrations which exceed the <br />following limitations, discharge more than the mass pollutant loadings <br />specified below or exceed the specified flow limitation. <br />Effluent Parameter Discharge Limitations <br />30-Day Ave ~ 7-Day Avg ~ Daily Max <br />Flow, MGD <br />Total Suspended Solids, mg/1 <br />Potentially Dissolved Silver, mg/1 <br />Potentially Dissolved Zinc, mg/1 <br />Potentially Dissolved Lead, mg/1 <br />Potentially Dissolved Copper, mg/1 <br />Whole Effluent Toxicity, Acute <br />through March 31, 1995 <br />beginning April 1, 1995 <br />Who 1e Effluent Toxicity, Chronic <br />through June 30, 1995 <br />2.58 NA NA <br />30 45 NA <br />0.0008 NA 0.0212 <br />0.130 NA 1.00 <br />0.030 NA 0.920 <br />0.059 NA 0.098 <br />NA NA Report <br />NA NA SOX/IWC=37X o/ <br />NA NA Report <br />pH - standard units shall remain between 6.5 and 9.0 c/. <br />Oil and Grease shall not exceed 10 mg/1 ~ nor shall there be a visible sheen; <br />see footnote ~. <br />There shall be no discharge of floating solids. <br />See Part I.C, for Footnotes. <br />amendedl_L6/93 effective 3/i/q4 <br />