2012-03-15_REPORT - C1981010 (5)

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TABLE B -1. TRAPPER MINING COMPANY GROUND -WATER QUALITY DATA. (cont'd.) Sample Point BALNC SAR CI SO4 Na K Ca Mg Al As Name Date ( %) (ratio) (mg /I) (mg/I) (mg/I) (mg /I) (mg /I) (mg /I) (mg/I) (mg /I) GP -8 6/17/1986 2.6 20.47 8 8 305.0 2.0 9.0 5.0 0.18 < 0.0010 9/11/1986 2.1 14.32 13 41 288.0 3.0 10.0 13.0 0.98 0.0020 10/28/1986 3.9 19.59 13 < 2 292.0 2.0 9.0 5.0 < 0.05 < 0.0010 9/10/1987 1.7 20.80 14 82 310.0 4.0 9.0 5.0 0.46 0.0030 9/22/1988 4.3 23.74 23 27 310.0 5.0 5.0 5.0 0.17 0.0010 9/14/1989 -1.0 21.20 21 33 270.0 6.0 6.0 4.0 0.07 0.0190 9/18/1990 • 6.8 28.80 28 33 326.0 3.0 5.0 3.0 0.54 0.0030 9/12/1991 9.9 21.74 58 < 2 246.0 2.0 5.0 3.0 0.15 < 0.0010 9/16/1992 1.5 24.47 12 27 277.0 2.0 5.0 3.0 0.06 0.0010 8/26/1993 9.3 25.89 11 4 293.0 2.0 5.0 3.0 < 0.05 < 0.0010 8/16/1994 -6.7 16.12 12 20 250.0 2.0 10.0 5.0 < 0.05 < 0.0010 8/16/1995 5.1 15.90 12 < 4 276.0 2.0 13.0 16.0 < 0.05 < 0.0010 8/29/1996 0.9 12.70 12 70 200.0 < 1.0 11.0 5.0 < 0.05 0.0020 10/2/1997 4.3 19.70 16 < 10 305.0 2.8 10.1 5.2 0.17 0.0010 9/9/1998 1.9 20.40 15 < 10 289.0 2.5 8.1 4.5 < 0.03 < 0.0010 9/15/1999 -1.4 25.11 12 < 10 294.0 2.2 5.6 2.9 0.06 < 0.0010 9/19/2000 0.4 20.40 12 < 10 287.0 2.4 8.3 4.3 0.04 < 0.0010 10/3/2001 0.4 21.00 13 < 10 283.0 2.4 7.4 4.1 < 0.03 < 0.0010 9/5/2002 1.8 24.00 12 < 10 303.0 2.3 6.4 3.6 < 0.03 < 0.0010 9/16/2003 -0.4 20.50 12 < 10 284.0 2.7 8.2 4.1 0.06 0.0002 9/15/2004 -4.3 24.80 12 20 291.0 2.3 5.9 2.9 < 0.03 0.0008 9/21/2005 -0.7 22.20 12 10 286.0 2.0 6.8 3.7 < 0.03 < 0.0005 9/19/2006 -9.3 19.10 11 < 10 276.0 2.7 8.8 4.5 0.09 < 0.0005 9/26/2007 -1.1 19.60 13 < 10 280.0 2.7 8.2 4.6 < 0.03 < 0.0005 9/10/2008 -0.8 19.00 14 < 10 265.0 2.0 8.1 4.2 < 0.03 < 0.0005 9/9/2009 -3.4 18.20 13 20 268.0 2.9 9.1 4.7 0.04 < 0.0005 9/21/2010 2.6 17.60 13 20 292.0 2.8 11.2 6.1 < 0.03 < 0.0005 9/14/2011 0.4 14.40 13 20 263.0 3.1 14.2 7.2 0.07 < 0.0005 B - 152