Laserfiche WebLink
COLORADO DEPARTMENT OF HEALTH, Water Quality Control Division <br />Rationale -Page 13, Permit No. CO-0043648 <br />Table V/-1 EjJlaent Limits jot: <br />Point 002A -Pre Want Solution Stora a Area Leak Collection and Recove S stem (PSSA-LCRS); and <br />Point 003A - re Storage Area Leak Detection System (OSA-LDS) <br /> Duehatge Limitations <br /> Maxim uta Grincentratians <br />EjJluent Parameter 30-Dny Avg... 7-Day Avg.. Daily Max. Rationale :: ' <br />Leakage Pumping Rate, gpd (gallons per Report N/A Report Discharge Assessment <br />~Y) <br />Leakage Pumping Rate, gpad (gallons per Report N/A Report Discharge Assessmem <br />wetted acre Per day) <br />Depth of Solution Over Top Liner, ft Report N/A Report Discharge Assessment <br />Calculated 7lteoretical Leakage Rate, gpad Report N/A Report Discharge Assessment <br />Leakage Action Code (see monitoring Report N/A Report Discharge Assessment <br />conditions seciton of rationale) <br />Ammonia, Total, mg/l (lbs/day) <br />Cyanide, Weak Acrd Dissociable, mg/t <br />Aluminum, Potentially Drssolved, ug/! <br />Cadmium, Potentially Dissolved, ug/1 <br />Copper, Potentially Dissolved, ug/[ <br />Manganese, Total Recoverable, ug/I <br />Mercury, Total, ug/[ <br />Silver, Potentially Dissolved, ug/[ <br />Zinc, Potentially Dissolved, ug/l <br />Not Required Until Cyanide Removal Process /s Begun <br />Report N/A Report Water Quality Standards <br />Report N/A Report Water Quality Standards <br />Report N/A Report Water Quality Standards <br />Report N/A Report Water Quality Standards <br />Report N/A Report Water Quality Standards <br />Report N/A Report Water Quality Standards <br />Report N/A Report Water Quality Standards <br />Report N/A Report Water Quality Standards <br />Table VI-3 Interim EjJlrtenl Limits, Ejjective Tltnt Jurse 30. 1996. jot Discharge Points: <br />004A Springs forming Arequa Grtlch within Areqtta Gulch Rock Storage Area; <br />OOSA Non-Spring Seepage jrom Aregrta Gulch Rock Storage Area (does rso! inclrtde stormwtuer), At <br />Discharge Into Diversion Ditch Surrounding the Valley Leach Facility; <br />006A Non-Spring Seepage jrom Areqrta Gulch Rock Storage Area, Mixed With Stormwater, At Discharge <br />From Diversion Duch to Areqrta Gulch Below the Valley Leach Facility <br />Discharge Limitations <br />Maximum Concentrations <br />Ej/lrtent Parameter 30-Day Avg. 7-Day Avg. Daily Max. Rationale <br />Flow, MGD Report N/A Report Discharge Assessment <br />pH, su (minimum-mtuimumJ N/A N/A 6.5-9.0 Water Qua[iry Standards <br />Total Hardness, mg/l Report N/A Report Discharge Assessment <br />Ammonia, Total, mg/l (!bs/day) Not Required Until Cyanide Removal Process /s Begun <br />Cyanide, WAD, mg/l (Ibs/day) Report (Report) N/A 0.030 (Report) Water Quality Standards <br />ront'd <br />WAD Wenk Acid Dissociab[e <br />