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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 /1) (mg /I) (mg /I) (mg /I) (mg /I) <br />GC -1 9/5/2002 -2.50 1.98 27.0 410 111 6.10 120 75.6 < 0.0300 < 0.0010 <br />9/15/2003 -0.600 1.90 28.0 360 105 5.90 120 70.9 < 0.0300 0.0004 <br />9/14/2004 -4.70 2.33 26.0 320 117 5.70 101 57.7 < 0.0300 0.0005 <br />9/20/2005 -5.50 1.83 29.0 620 116 6.00 141 103 < 0.0300 < 0.0005 <br />9/19/2006 -3.80 2.32 23.0 320 123 6.00 109 66.4 < 0.0300 0.0005 <br />GC -2 4/28/1974 -- - - - -- -- 5.50 - - -- -- <br />11/21/1974 8.34 2.10 23.0 428 93.0 10.00 117 20.0 0.300 0.0040 <br />4/28/1975 - 2.20 19.0 473 84.0 - 89.0 13.0 < 0.0200 < 0.0100 <br />8/4/1975 -26.2 2.03 18.0 424 85.0 5.40 105 17.0 0.200 < 0.0100 <br />2/5/1976 10.7 2.10 23.0 390 90.0 5.40 79.0 35.0 0.560 0.0500 <br />4/28/1976 7.69 3.00 21.0 413 105 65.0 78.0 7.30 1.40 0.0200 <br />7/21/1976 6.59 3.60 21.0 423 115 82.0 66.0 6.30 0.0600 < 0.0100 <br />10/13/1976 14.8 4.69 11.0 400 130 120 46.0 7.50 0.100 < 0.0100 <br />1/11/1977 7.09 3.64 28.0 417 110 105 46.0 14.0 0.840 0.0100 <br />9/24/1985 3.82 1.89 24.0 403 118 4.00 107 118 < 0.0500 < 0.0010 <br />9/11/1986 5.03 1.77 30.0 527 123 7.00 148 137 0.110 0.0010 <br />9/11/1987 4.96 1.72 31.0 545 122 6.00 149 146 0.110 < 0.0010 <br />9/22/1988 3.80 1.65 30.0 519 111 11.0 137 130 < 0.0500 0.0010 <br />9/14/1989 5.70 2.13 46.0 825 171 5.00 191 188 < 0.0500 < 0.0010 <br />9/18/1990 4.90 1.39 36.0 632 100.0 5.00 170 142 < 0.0500 0.0010 <br />9/12/1991 2.60 1.78 32.0 642 122 4.00 170 118 < 0.0500 < 0.0010 <br />9/16/1992 3.75 1.56 33.0 562 105 5.00 169 110 < 0.0500 < 0.0010 <br />8/25/1993 1.68 1.76 38.0 576 119 4.00 142 129 < 0.0500 0.0020 <br />8/16/1994 -10.0 1.39 34.0 580 87.0 4.00 150 89.0 < 0.0500 0.0050 <br />8/16/1995 -4.51 1.50 38.0 730 110 4.00 172 132 < 0.0500 < 0.0010 <br />8/29/1996 -12.4 1.17 32.0 700 75.0 3.00 140 100.0 < 0.0500 < 0.0010 <br />10/2/1997 -0.600 1.85 37.0 660 132 5.20 145 151 < 0.0600 < 0.0010 <br />9/9/1998 -0.400 1.95 37.0 610 135 5.10 142 140 < 0.0300 < 0.0010 <br />B - 109 <br />