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' • <br />Table E49-13 <br />Impacts to Receiving Streams -Case 2 <br />Mine discharges (max. loading) I Flow TDS 1 Conduct. j Sulfate Year <br />cfs I mq/L i umhos/cm. mq/L <br />''~ <br />"~ <br />e~ <br />E7 <br />m <br />00 <br />N <br />0 <br />0 <br />0 <br />qua max. comoineg u.~o; suuul auuu; iouu; l`J`J`J <br />115 max combined 8 individual 0.671 61001 73001 3300; 1999 <br />109 max. individual 0.81; 2300; 3800; 1500; 2001.1 <br />115 value to use w/115 max. 0.67; 55001 65001 29001 2001.1 <br /> Mean Flow Dry Year Flow <br />Estimated Baseline (Exhibit 32) Flow ~ TDS f Conduct. ~ Sulfate Flow ~ TDS ~ Conduct. ~ Sulfate <br /> cfs 1 mg/L ;umhos/cm; mg/L cfs mglL ; umhos/cm; mg/L <br />Trout Creek, above Fish Creek 46.4; 383; 511; 158 16.51 4121 549t 174 <br />Fish Creek above confl. W/ Trout Creek 26.01 441 % 588; 172 6.91 4561 608? 161 <br />- <br />Trout Creek below Fish Creek 72.4; <br />1 395; <br /> <br />1 5271 <br />1 158 23.4; <br />1 4201 <br />1 560 ~ <br />' <br />1 172 <br /> <br />Predicted Values 1 ~ ~ <br />~ 1 <br />? ~ <br />j <br />Combined 109 + 115 Load Maximum ~ ~ ~ 1 I <br />Trout Creek, above Fish Creek 47.21 4251 5671 181 17.31 526; _ 702; 237 <br />Fish Creek above confl. WI Trout Creek 26.71 5831 7 6 250 7.5 958 1203 458 <br />Trout Creek below Fish Creek 73.8% <br />1 482 <br /> <br />I 635 <br /> <br />1 206 24.8 657 <br /> <br />1 8541 304 <br /> <br />109 at individual Load Maximum t <br />Trout Creek, above Fish Creek 48.0; 635; 65; 195 17.3; 675; 934% 302 <br />Fish Creek above confl. WI Trout Creek 26.7 65 8 711; 306 7.5 904 <br />-. _ <br />10 3 _ <br />654 <br />Trout Creek below Fish Creek 74.61 611 ~ 296j 234 24.81 745 ~ 9671 409 <br />Mine Discharge Data Flow 8 conductivity from estimated future water balance. TDS calculated from conductivity: TDS = 0.75 `cond. <br />except for conductivities greater than 5000 umhos/cm TDS = 0.84' cond. <br />Sulfate for 109 from 3/30199 analysis of 6 Right inflow, lower values prorated from TDS value <br />Sulfate for 115 from 2/8199 analysis, lower values prorated from TDS value <br />Baseline data taken from Exhibit 32 <br />Predicted values calculated using mass balance equation shown in text <br />TR 99-32 <br />Table E49-13 <br />5/3/99 <br />