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COLORADO DEPARTMENT HE~TH, <br />Rationale - Page 8. Permit No <br />Water Quality Control•Divis <br />CO-0024562. <br />A. Effluent Limitations (continued) <br />Table VI-2 -- Effluent Limits at 001 and 002 in the event of any underground <br />exploration or mining activity. <br />Parameter <br />Limit <br />Rationale <br />Flow, MGD 3.76 <br />TSS, mg/1 20/30 b/ <br />pH, s.u. 6.5-9.0 d/ <br />011 and Grease, mg/1 10 c/ <br />Potentially Dissolved <br />Silver, mg/1 0.0006/0.017 e/ <br />Potentially Dissolved <br />Zinc, mg/1 0.105/0.880 e/ <br />Potentially Dissolved <br />Cadmium, mg/1 0.0039/0.020 e/ <br />Potentially Dissolved <br />Lead, mg/1 0.024/0.741 e! <br />Potentially Dissolved <br />Copper, mg/1 0.048/0.079 e/ <br />Total Mercury, mg/1 0.001/0.002 ei <br />Whole Effluent Toxicity, Acute <br />through March 31, 1995 Report c/ <br />beginning April 1, 1995 50%JIWC=46.1% c{ <br />Whole Effluent Toxicity, Chroni c <br />through June 30, 1 995 Report c/ <br />Deslgn <br />BAT <br />Watet Quality Standards <br />State Effluent Regulations <br />Water Quality Standards <br />Water Quality Standards <br />Water Quality Standards <br />Water Quality Standards <br />Water Quality Standards <br />BAT <br />State Permit Regulations <br />State Permit Regulations <br />State Permit Regulations <br />al 30-Day Average <br />J 30-Day Average/7-Day Average <br />~/ Daily Maximum <br />J Minimum-Maximum <br />?/ 30-Day Average/Daily Maximum <br />