Laserfiche WebLink
Table 17-16 <br />• <br />Individual Computations for Same Day (Irrigation Season) <br />Impact Analyses for Mine Discharges to Tuttle Draw <br />San Migue] plus Calamity <br />136 + 38.8 = 174.8 = 479 mg/1 <br />(10.5 + 257,9) x ,00136 .365 <br />Tonnage in San Miguel immediately below Calamity <br />135,3 cfs x 479 mg/1 x ,0027 = 175 tons/day <br />San Miguel plus background from Tuttle <br />175 + 2.8 = 177,8 = 486 mg/1 <br />(268.4 + ,87) x .00136 .366 <br />Tonnage in San Miguel from background below Tuttle <br />135.7 cfs x 486 mg/1 x .0027 = 178 tons/day <br />• San Miguel plus combined background and mine flaw from Tuttle <br />175 + 5.6 = 180.6 = 491 mg/1 <br />(270.3 x .00316 .368 <br />491 - 486 = 5 mg/1, 5 = 1 percent increase in TDS <br />486 <br />Natural ground water component <br />136 + 5.6 + 38.8 + x = 632 mg/1 <br />(279.7) x .00136 <br />x = 59.8 tons <br />4.7 cfs x Y mg/1 x .0027 = 59.8 tons <br />Y = 4,712 mg/1 <br />632 - 491 = 141 mg/1, 141 = 29 percent increase in TDS <br />491 <br /> <br />17-65 Revised 04/11/88 <br />