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<br />PART 1
<br />Page viii
<br />Permit No. CO-0043648
<br />Table I.A.-0, Final Effluent Limits, Effective Julv I, 1996, for Discharge Poiots:
<br />004A -Springs forming Arequa Gulch within Arequa Gulch Rock Storage Area;
<br />OOSA -Non-Spring Seepage from Arequa Gulch Rock Storage Area (does not include stotmweter), At Discharge Into
<br />Diversion Ditch Surrounding the Valley Leach Facility;
<br />006A -Non-Spring Seepage from Arequa Gulch Rock Storage Area, Mixed With Stormwater, At Discharge From
<br />Diversion Ditch to Arequa Gulch Below the Valley Leach Facility
<br />7-Day Avg... Daily Max:
<br />pH, su (minimum-maximum) N/A N/A 6.5-9.0
<br />Total Hardness, mg/I Report N/A Report
<br />Ammonia, Total, mg/I (Ibs/day) Not Required Until Cyanide Removal Process !s Begun
<br />Cyanide, WAD, mg/I (Ibs/day) Report (Report) N/A 0.030 (Report)
<br />Alurttinum, PD, ug/1 (Ibs/day) Repoli (Report) N/A Report (Report)
<br />Arsenic, PD, ug/I (Ibs/day) 50 (Report) N/A 50 (Report)
<br />Cadmium, PD, ug/I (Ibs/day) 3.4 (Report) N/A 19 (Report)
<br />Copper, PD, ug/I (Ibs/day) 39 (Report) N/A 65 (Report)
<br />Chromium, III, PD, ug/I (Ibs/day) 50 (Report) N/A 50 (Report)
<br />Chromium, VI, Diss, ug/1 (Ibs/day) 11 (Report) N/A 16 (Report)
<br />Iron, TR, ug/I (Ibs/day) 1,000 (Report) N/A Report (Report)
<br />Lead, PD, ug/1 (Ibs/day) 28 (Report) NIA Report (Report)
<br />Manganese, TR, ug/I (Ibs/day) 1,000 (Report) N/A Report (Report)
<br />Mercury, Total, ug/I (Ibs/day) 0.01 (Report) N/A Report (Report)
<br />Nickel, PD, ug/I (Ibs/day) 274 (Report) N/A Report (Report)
<br />Silver, PD, ug/I (Ibs/day) 0.8 (Report) N/A 22 (Report)
<br />Zinc, PD, ug/I (Ibs/day) 343 (Report) N/A 379 (Report)
<br />T55 Limil Ao olies Onlv Ta DischerEe Poinl OOSA
<br />TSS, mg/I 20 N/A 30
<br />WAD Weak Acid Dissociable
<br />PD Potentially Dissolved
<br />TR Total Recoverable
<br />Diss Dissolved
<br />In addition to the limits listed in the above tables, there shall be no discharge of floating solids.
<br />See Part I.C. for Definitions.
<br />2. Compliance Schedules
<br />The pertnittee shall remove the Carlton Mill Tailings from their present location, and provide whatever treatment is
<br />required to limit cyanide concentrations in any seepage from the tailings in their new location to levels which will not
<br />exceed the detection limit for WAD cyanide of 0.030 mg/1 in any surface water for which the free cyanide standard
<br />of 0.005 mg/I has been adopted. The movement and treatment of the tailings shall be completed by June 30, 1995.
<br />n+uer .,wn~
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