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TABLE B -1. TRAPPER MINING COMPANY GROUND -WATER QUALITY DATA. (cont'd.) <br />Sample Point BALNC SAR CI SO4 Na K Ca Mg Al As <br />Name Date ( %) (ratio) (mg /I) (mg/1) (mg /I) (mg /I) (mg/I) (mg/I) (mg /I) (mg/I) <br />GC -1 4/28/1975 - - -- -- --- -- - - 0.0200 0.0010 <br />8/4/1975 -2.37 1.85 25.0 328 100.0 5.70 120 61.0 < 0.0200 < 0.0100 <br />2/5/1976 4.87 1.98 26.0 258 110 6.30 130 63.0 < 0.0100 < 0.0100 <br />4/28/1976 -2.92 2.38 25.0 266 115 7.90 88.0 54.0 0.640 0.0300 <br />7/21/1976 2.85 1.94 18.0 304 120 5.00 135 94.0 < 0.0100 0.0100 <br />10/13/1976 2.07 2.28 21.0 273 120 6.20 115 58.0 < 0.0100 < 0.0100 <br />1/11/1977 6.33 1.86 32.0 282 105 6.50 130 67.0 0.500 < 0.0100 <br />1/11/1977 6.59 - -- 29.0 -- 6.20 0.450 0.0200 <br />12/7/1981 - - --- 340 -- -- --- - -- 0.0900 0.0020 <br />12/30/1982 -0.770 1.80 39.0 280 99.0 5.70 120 62.0 0.0700 0.0060 <br />8/24/1983 6.69 1.86 24.0 331 100.0 6.50 126 60.0 - 0.0030 <br />8/15/1984 4.72 1.41 23.0 319 81.0 -- 108 90.0 - -- < 0.0020 <br />9/23/1985 1.05 1.14 29.0 453 76.0 6.00 139 124 < 0.0500 < 0.0010 <br />9/11/1986 3.05 - 31.0 510 - -- 9.00 123 122 0.210 0.0010 <br />9/11/1987 3.04 1.67 29.0 459 103 8.00 102 118 < 0.0500 < 0.0010 <br />9/22/1988 4.92 1.74 30.0 407 108 6.00 148 92.0 < 0.0500 0.0020 <br />9/14/1989 4.40 1.94 27.0 354 105 7.00 109 72.0 < 0.0500 < 0.0010 <br />9/18/1990 6.40 1.52 28.0 379 88.0 6.00 139 73.0 < 0.0500 < 0.0010 <br />9/12/1991 5.30 1.71 9.00 364 95.0 6.00 132 66.0 < 0.0500 < 0.0010 <br />9/16/1992 4.08 1.89 27.0 410 108 6.00 133 73.0 < 0.0500 0.0010 <br />8/25/1993 -0.330 1.74 35.0 591 107 7.00 148 88.0 < 0.0500 0.0010 <br />8/16/1994 -8.27 1.54 29.0 420 86.0 4.00 140 58.0 < 0.0500 < 0.0010 <br />8/16/1995 -10.3 1.40 31.0 600 92.0 6.00 150 98.0 < 0.0500 0.0020 <br />8/29/1996 0.102 1.53 30.0 340 89.0 3.00 140 69.0 < 0.0500 < 0.0010 <br />10/2/1997 5.40 1.81 31.0 420 123 8.10 166 117 -- 0.0010 <br />9/9/1998 -1.60 1.51 28.0 360 92.9 7.70 126 101 < 0.0300 0.0010 <br />9/15/1999 -0.200 1.85 30.0 480 116 7.30 143 93.2 < 0.0300 < 0.0010 <br />9/19/2000 -1.90 1.85 27.0 420 107 6.60 133 76.7 < 0.0300 < 0.0010 <br />10/2/2001 -3.00 2.14 29.0 370 114 5.50 110 67.1 < 0.0300 < 0.0010 <br />B - 108 <br />