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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/I) (mg/I) (mg /I) (mg /I) (mg /I) (mg /I) (mg/I) <br />P -8 9/9/1987 3.9 2.15 60 813 171.0 6.0 201.0 177.0 < 0.05 < 0.0010 <br />9/21/1988 2.7 1.72 47 737 135.0 5.0 189.0 177.0 < 0.05 0.0010 <br />9/12/1989 3.4 1.93 49 675 140.0 14.0 162.0 150.0 < 0.05 < 0.0010 <br />9/17/1992 -1.1 1.71 51 780 121.0 3.0 155.0 143.0 < 0.05 < 0.0010 <br />8/25/1993 2.7 1.73 30 541 115.0 3.0 134.0 126.0 < 0.05 0.0040 <br />8/17/1994 -9.5 1.49 38 610 97.0 2.0 140.0 110.0 0.05 < 0.0010 <br />8/17/1995 -6.4 1.40 37 680 95.0 3.0 145.0 125.0 < 0.05 0.0030 <br />8/28/1996 0.7 1.29 52 1670 140.0 6.0 380.0 310.0 < 0.05 < 0.0010 <br />9/30/1997 2.1 1.64 59 1980 191.0 8.8 457.0 361.0 0.46 0.0010 <br />9/10/1998 -1.5 1.73 53 2130 201.0 6.0 462.0 356.0 < 0.20 < 0.0010 <br />9/16/1999 -1.6 1.70 68 2070 199.0 7.0 463.0 346.0 < 0.03 < 0.0010 <br />9/20/2000 -0.8 1.80 79 2260 218.0 8.0 494.0 390.0 < 0.20 < 0.0010 <br />10/3/2001 -2.1 1.89 103 2220 218.0 8.0 448.0 358.0 < 0.06 < 0.0010 <br />9/5/2002 -5.4 1.87 90 2170 210.0 7.0 419.0 337.0 < 0.06 < 0.0050 <br />9/16/2003 2.3 2.07 97 2030 244.0 8.6 491.0 358.0 < 0.06 < 0.0005 <br />9/15/2004 -1.9 2.06 111 1980 229.0 7.8 428.0 325.0 < 0.06 < 0.0010 <br />9/20/2005 -1.3 2.05 112 1910 227.0 7.8 422.0 324.0 0.07 0.0010 <br />9/20/2006 -0.5 2.07 7 1850 230.0 8.2 411.0 331.0 < 0.03 0.0009 <br />9/26/2007 -4.5 2.01 130 2000 223.0 7.5 419.0 326.0 0.27 0.0012 <br />9/10/2008 3.9 2.06 120 1940 244.0 8.7 467.0 376.0 < 0.06 0.0015 <br />9/9/2009 -0.1 1.94 98 1710 208.0 8.0 381.0 309.0 < 0.06 < 0.0010 <br />9/21/2010 -0.8 2.14 110 1910 237.0 8.1 417.0 323.0 < 0.03 0.0010 <br />9/14/2011 5.6 2.05 110 1840 239.0 7.9 458.0 364.0 < 0.06 < 0.0010 <br />B - 158 <br />