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Table 17-2-4 (Cont.) <br /> Computations for Irrigation Season Impact Analyses for <br /> Low Flow Mine Discharges and the Q 7-10 San Miguel Flow <br /> Ill. Postmining Impacts to the San Miguel from Nucla and Nucla East Via Tuttle and <br /> Calamity Draws <br /> 12.41 cfs x 1 ,962 mg/1 + 0.238 cfs x 3,800 mg/l + 1.31 cfs x 4,600 mg/l <br /> 12.41 cfs + 0.238 cfs + 1.31 cfs <br /> 31,278.8 = 2,241 mg/l <br /> 13.958 <br /> Postmining Tonnage of Salt in San Miguel Below Tuttle Draw <br /> 13.96 cfs x 2,241 mg/l x .0027 = 84.5 tons/day <br /> Postmining Salinity Impacts <br /> 2,241 mg/1 - 1,962 mg/1 <br /> x 100 = 14.2% increase in TDS <br /> 1,962 mg/l <br /> 84.5 tons/day - 65.7 tons/day <br /> x 100 = 28.6% increase in salt load <br /> 65.7 tons/day <br />