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• <br />Table 18 (Cont.) <br />Percentage of MiLliequivalents Per Liter for Major ions, <br />Average for each Calendar Year <br />Seneca 11 Mine <br />Springs <br />Spring R3 (Cont. <br />1990 No flow <br />1989 No flow <br />1988 No flow <br />1987 No flow <br />1986 No flow <br />1985 No flow <br />1984 55.46 36.49 8.04 55.96 3.41 40.63 1310.00 <br /> 50 N <br />+ <br />Spring MS CA MG NA!K 4 CL ~ <br />~ TDS <br />1992 Too low to sample (0.37 gpm) field parameters only, Conductivity (25C)=8,660 umho/cm <br />1991• Too low to sample (0.20 gpm) field parameters only, Conductivity (25C)=7,800 umho/cm <br />Y 1990 No flow <br />(''~ 1989 No flow <br /> <br />1988 No flow <br />1987 No flow <br />1986 Too low to sample (0.02 gpm) field parameters only, Conductivity (25C)=12,290 umho/cm <br />1985 11.12 65.89 22.89 93.32 0.80 5.88 14,200.00 <br />1984 13.45 69.75 17.40 94.73 0.87 4.41 13,000.00 <br />•Starting in 1991, annual monitoring was performed in the spring (usually Nay) ins tead of the fall (usually September) <br />i <br />