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s <br />TABLE 72 (Con'[) <br />Percentage of Milliequivalents per Liter for Major Ions, <br />Surface Water Average for Each Nater Year <br />Seneca It-N Mine <br /> <br />CA MG_,_ __NA+K S04_ CL HC03+C03 TDS <br />NPDES 005 <br />1993 40.62 48.62 10.76 87.32 0.99 77.69 7094.00 <br />1990-1992 25.57 53.53 20.90 84.45 1.01 14.54 1788.40 <br />TDS range 7990-7992: 292 to 6004 mg/l <br />Note: Values for 1990-1992 are from ba seLi ne Site SN-S2N-SG8 <br />SN-S2N-SGS <br />1993 37.86 44.71 17.42 60.49 3.79 36.32 916.67 <br />7992 33.20 46.85 19.95 61.77 3.30 35.53 1081.33 <br />1997 34.34 45.60 20.06 56.70 2.99 40.31 1111.33 <br />1990 36.64 45.65 17.71 63.09 2.34 34.58 1049.00 <br />1983-89 36.52 46.06 17.42 62.78 2.77 34.45 1064.73 <br />TDS range 1983-89: 345 to 1562 mg/t <br />SN-S2N-FGS <br />1993 48.93 43.89 7.18 26.98 1.57 71.45 398.44 <br />1997-1992 49.94 42.76 7.90 22.32 1.23 76.45 398.80 <br />SN-S2N-FG4 <br />1993 49.73 40.04 10.23 41.77 1.94 56.35 597.33 <br />1991-1992 48.95 40.27 10.78 47.98 2.06 49.97 654.40 <br />v <br />N <br /> <br />