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• • <br />Table 15 (Cont.) <br />Percentage of MilliequivaLents Per Liter for Major Ions, <br />Average for each Water Year <br />~ Seneca II Mine <br />NPDES OOG (Cont.) <br />1987 <br />1986 <br />1985 <br />1984 <br />1983 <br />1982 <br />NPDES 008 <br />1992 <br />1991 <br />1990 <br />1989 <br />y 1988 <br />N 1987• <br />~ 1986• <br />31.20 43.53 <br />39.93 44.59 <br />34.50 44.25 <br />32.16 32.72 <br />33.19 39.25 <br />TDS analysis only <br />LA MG <br />44.34 49.98 <br />45.44 48.62 <br />39.45 49.92 <br />45.86 47.18 <br />48.29 42.88 <br />48.70 42.72 <br />51.67 40.96 <br />25.27 88.78 1.49 9.73 <br />15.48 86.98 1.01 12.02 <br />21.25 83.63 1.43 14.94 <br />35.12 68.03 2.38 30.59 <br />27.56 60.02 1.42 38.56 <br /> S~ H~+C0 <br />NA!K 4 CL 3 <br />5.68 88.72 3.46 7.82 <br />5.94 75.90 3.48 20.62 <br />10.63 75.02 1.67 23.31 <br />6.95 62.37 1.85 35.79 <br />8.83 39.99 1.49 58.51 <br />8.58 25.30 1.28 73.42 <br />7.37 25.78 2.01 72.21 <br /> <br />1949.33 <br />1879.17 <br />1468.16 <br />953.17 <br />739.50 <br />594.64 <br />TDS <br />1745.00 <br />1366.83 <br />1074.83 <br />800.17 <br />549.00 <br />556.00 <br />382.00 <br />'Data is from Site SW-52-9 prior to construction of NPDES 008. <br />