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• <br />Table 7-56 <br />Summary of Combined Mean Flow and TDS1 Data for <br />Sites NPDES 002 and 003 for <br />June through September, 1981-1986, <br />Seneca II Mine, Routt County, Colorado <br />June July Au ust September <br />Mean Mean Mean Mean Mean Mean Mean hlean <br />Year Flow (cfs) TDS (mg/1) Flow (cfs) TDS (mg/1) Flow (cfs) TDS (mg/1) Flow (cfs) TUS (mg/1) <br />1981 0.128 2361 No Flow No Flow No Flow <br />1982 0.198 1951 0.093 2157 0.026 2315 0.094 2304 <br />1983 0.504 2186 0.275 2620 0.140** 2612 0.064** 2748 <br />1984 2.119 2443 0.573** 2664 0.320** 2513 0.132 2466 <br />1985 0.888 2473 0.436 2578 G.448* 2650 0.307* 2670 <br />1986 0.569 2499 0.542 2673 0.344* 2726 0.341 2624 <br />Average 0.734 2319 0.320 2538 0.213 2563 0.165 2574 <br />1TD5 values calculated as follows: (Flow002)(TDS002) + (F1ow003)(TDS003) = TDS <br />Flov+ (combined) <br />(combined) <br />N <br />v <br />v <br />rn <br />.Jo flow fro... NPCES 002. <br />** No flow from NPDES 003. <br />