2009-03-27_REPORT - C1981019 (9)

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Colo-yo Coal Compeoy Ewbibit 2A Annual Reclamation and Hydm1W Report Water Quality Data COLOWYO MINE 1982-2008 LGSC lower Good Spring (LGSC) Listing of Stream Lab Data Flow Field Field Field Lab Lab TDS N03 N02 N03+NO2 NH3 Total Biarb Ambig. SW Ambig. SW Ambig. SNAmbig. SW Ambig. SNAmbig. SN Ambig. SNAmbig. SNAmbig. SNAmbig. SW No datum => Blank Rate PH Temp Conduct PH Conduct -180 TSS as N as N as N as N P as CaC03 Sulfate As Ca Fe Pb Mg Mn Hg Se Na Zn cfs S.U. deg C umho/cm S.U. umho/cm mgA mgA mgA mgA mgA mgA mgA mgA mgA mgA mgA mgA mgA mg/l mgA mgA mgA mgA mgA Statistics Mean 4.09 8.12 9.28 1679.27 8.04 1701.77 1338.15 62.03 1.36 0.04 2.34 0.12 0.06 411.87 650.74 0.00 140.39 0.66 0.05 144.90 0.13 0.00 0.01 72.41 0.02 Std. Dev. 5.28 0.74 5.94 358.68 0.24 311.81 349.51 252.25 0.80 0.04 2.17 0.22 0.07 84.17 160.16 0.00 25.37 0.95 0.06 29.82 0.06 0.00 0.00 25.50 0.03 Coef. Var. Range 46.94 13.2 25.6 2160 2.5 2659 3420 3698 4 0.09 8.19 2.25 0.495 573 710 0.0177 198 8.81 0.199 225.3 0.385 0.0009 0.0295 144.3 0.195 Max 47 17.8 25 2900 8.6 2820 4050 3700 4.1 0.1 8.29 2.26 0.5 603 945 0.018 208 8.84 0.2 226 0.39 0.001 0.03 164 0.2 Min 0.06 4.6 -0.6 740 6.1 161 630 2 0.1 0.01 0.1 0.01 0.005 30 235 0.0003 10 0.03 0.001 0.7 0.005 0.0001 0.0005 19.7 0.005 Max at 4/27/1998 11/18/1997 7/26/ 1982 10/3/1996 8/19/ 1991 1/19/1993 11/8/2000 4/30/1985 12/28/1989 517/2001 12126/1985 12/14/1989 1!1/1999 10/24/2002 12/4/1989 41711982 12128/1989 8/13/2008 11/10/ 2008 1214/1989 8/1312008 2/16/2004 10/4/1989 10/8/1998 101212000 Min at 1216/1999 7/8/2002 12/18/ 1996 41512002 5114/ 1991 6123/1992 5/23/1995 9/30/1994 8/10/2004 11/1/2004 8/1711992 8/10/2004 9/11/1997 5/14/1992 5/20/1997 11/1/2004 3/13/1984 211/1988 11/5/2001 5/20/1997 7/31/2000 611/1993 9/20/2001 4117/2000 6128/1985 p of Sample: 301 245 291 245 325 309 143 321 57 53 108 112 113 123 123 123 183 130 123 184 121 123 123 125 123 Station Sample Flow Field Field Field Lab Lab TDS N03 N02 N03+NO2 NH3 Total Biarb Ambig. SW Ambig. SW Ambig. SNAmbig. SW Ambig. SN Ambig. SNAmbig. SN Ambig. SNAmbig. SNAmbig. SW Name Date Rate PH Temp Conduct PH Conduct -180 TSS as N as N as N as N P as CaC03 Sulfate As Ca Fe Pb Mg Mn Hg Se Na Zn cfs S.U. deg C umholcm S.U. umho/crn mg/I mgA mgA mgA mgA mgA mgA mgA mgA mgA mgA mgA mgA mgA mgA mgA mgA mgA mgA LGSC 3/11/2004 3.2 8.2 4.7 2000 8 1870 8 161 155 LGSC 4/5/2004 2.15 8.3 8 1860 8.1 1800 10 149 146 LGSC 51412004 2.39 8.5 8.6 1920 8.1 1740 1470 5 0.74 0.01 0.73 0.1 0.03 455 730 0.0007 146 0.29 0.04 153 0.118 0.0002 0.004 88 0.01 LGSC 6/1712004 1.91 8.7 11.3 1930 7.9 1780 5 145 158 LGSC 7/19/2004 3.48 8.5 16.2 1910 8.1 1840 50 146 161 LGSC 8/1012004 1.26 7.9 12.3 2090 8 1880 1650 18 0.33 0.01 0.34 0.06 0.07 543 770 0.001 151 0.48 0.04 167 0.24 0.0002 0.003 104 0.01 LGSC 9/1612005 1.26 7.9 9.5 2230 7.9 1850 16 160 176 LGSC 10/512004 2.92 8 8 2180 8.1 1830 14 151 169 LGSC 11/112004 4.7 8 3.3 2100 8 1800 1600 5 0.91 0.01 0.91 0.07 0.08 450 790 0.0006 131 0.42 0.04 149 0.261 0.0002 0.004 93.7 0.01 LGSC 1211412004 3.06 8 2 2248 8.1 2010 5 157 162 LGSC 1/612005 2.65 8 1.6 2078 8.1 2070 10 0.7 1 LGSC 211012005 1.58 7.6 0.5 1990 8.1 2070 1590 5 1.37 0.01 1.38 0.05 0.05 501 770 0.0007 146 0.23 0.04 156 0.15 0.0002 0.006 92.7 0.02 LGSC 3/912005 1.31 8.09 3.4 2019 8.2 1820 7 153 159 LGSC 4/20/2005 6.23 8.19 6.9 1720 8.2 1540 31 140 141 LGSC 5/2312005 9.95 8.42 14.5 1360 8.3 851 630 220 2 0.1 2 0.1 0.15 282 235 0.003 90 2.34 0.2 62 0.11 0.001 0.005 24 0.05 LGSC 6/25/2005 4.22 8.46 14.3 1580 8.3 1500 32 145 144 LGSC 7/19/2005 3.2 8.26 12.4 1770 8.2 1600 10 132 141 LGSC 8/2212005 1.16 8.1 14.4 2030 8.2 1820 1520 20 0.1 0.1 0.1 0.1 0.05 483 722 0.003 142 0.05 0.2 137 0.17 0.001 0.005 81 0.05 LGSC 9/14/2005 0.8 8.22 9.6 2110 8.3 1970 16 139 177 LGSC 10/17/2005 2.03 8.15 12.6 1840 8.2 1700 5 143 155 LGSC 11/21/2005 1.69 8.3 3.6 1910 8.4 1820 1490 5 1.7 0.1 1.7 0.2 0.05 476 685 0.003 142 0.3 0.2 158 0.16 0.001 0.005 78 0.05 LGSC 12/13/2005 1.07 8.24 3.4 1990 8.2 1980 44 156 170 LGSC 1/1812006 1.91 8.36 4.8 1880 8.2 1740 5 150 155 LGSC 2/21/2006 1.69 7.68 2.4 1860 8.1 1860 12 145 146 LGSC 3/15/2006 2.27 7.81 6.2 1820 8.1 1810 1460 8 1.3 0.1 1.3 0.1 0.05 478 694 0.003 141 0.21 0.2 142 0.09 0.001 0.007 94 0.05 LGSC 4112!2006 5.03 8.27 11.6 1520 8.3 1580 6 123 120 LGSC 5/18/2006 3.92 8.19 13.2 1560 8.3 1600 1160 12 0.5 0.1 0.5 0.1 0.1 525 410 0.003 127 0.77 0.2 116 0.17 0.001 0.005 58 0.05 LGSC 6/612006 1.69 8.01 12.7 1850 8.2 1860 28 149 149 LGSC 7/25/2006 0.89 8.23 17.4 1980 8.3 1920 10 146 161 LGSC 8/23/2006 0.36 7.76 14.3 2190 8.4 2040 1710 9 0.1 0.1 0.1 0.2 0.1 505 716 0.003 159 0.48 0.2 169 0.2 0.001 0.005 124 0.05 LGSC 9120/2006 2.65 8.12 10 1900 8.4 1840 9 139 142 LGSC 10116/2006 2.15 8.3 7.2 1850 8.12 1900 40 152 155 LGSC 11/15/2006 1.69 8.46 3.8 1950 8.2 1880 1460 5 1 0.1 1 0.1 0.05 438 635 0.003 142 0.28 0.2 155 0.15 0.001 0.005 81 0.05 LGSC 12113/2006 2.03 8.51 4.6 2010 8.4 1830 5 156 158 LGSC 1/11/2007 1.47 8.44 3.8 1920 LGSC 2/712007 2.39 8.46 3.7 1610 8.3 1530 44 110 115 LGSC