2012-03-09_REPORT - C1981019 (8)

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Calowyo Coal Company 2011 Annual Reclamation and Hydrology Report COLOWYO MINE LGSC Listing of Stream Lab Data Flow Field Field Field Lab Lab TDS NO3 NO2 NO3 +NO2 NH3 Total Bicarb No datum => Blank Rate pH Temp Conduct pH Conduct -180 TSS as N as N as N as N P as HCO3 Sulfate As Ca Fe Pb Mg Mn Hg Se Na Zn cfs S U deg C umho /cm S U umho /cm mg/ mg/I mg/I mg/I mg/I mg/I mg/I mg/ mg/I mg/I mg/I mg/I mg/I mg/I mg/I mg/I mg/I mg/I mg/I Statistics Mean 4 07 8 13 9 29 1605 22 8 05 1698 00 1336 68 60 92 1 44 0 05 2 30 0 12 0 07 426 16 65 50 0 00 140 17 0 65 0 05 144 27 0 13 0 00 0 01 72 85 0 03 Std. Dev. 5 22 0 72 5 89 356 15 0 24 309 98 338 42 248 18 0 77 0 08 2 08 0 21 0 06 96 72 166 45 000 24 76 0 92 0 06 29 43 006 0 00 0 00 2504 0 03 Coef. Var. Range 46 94 13 2 25 6 2160 2 5 2659 3420 3698 4 0 59 8 19 2 25 0 495 741 9 710 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 6 8 29 2 26 0 5 747 945 0 018 208 8 84 0 2 226 0 39 0 001 0 03 164 0 2 Min 006 4 6 -0 6 740 6 1 161 630 2 0 1 0 01 0 1 0 01 0 005 5 1 235 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 5/7/2001 12/26/1985 12/14/1989 1/7/1999 2/23/2010 12/4/1989 4/7/1982 12/28/1989 8/13/2008 11/2/2009 12/4/1989 8/13/2008 2/16/2004 10/4/1989 10/8/1998 10/2/2000 Min at 12/6/1999 7/8/2002 12/18/1996 4/5/2002 5/14/1991 6/23/1992 5/23/1995 9/30/1994 8/10/2004 11/1/2004 8/17/1992 11/2/2009 9/11/1997 5/14/1992 5/20/1997 8/14/2007 3/13/1984 2/1/1988 11/5/2001 5/20/1997 7/31/2000 6/1/1993 9/20/2001 4/17/2000 6/28/1985 # Of Samples 313 257 303 257 337 321 155 332 68 58 119 146 117 135 135 127 195 142 127 196 133 127 134 137 127 L Exhibit 2A Water Quality Data 1982 -2010 Lower Good Spring Creek (LGSC) Station Date LGSC 12/18/1991 126 3 8 2510 2 LGSC 1/22/1992 136 2 81 2220 10 LGSC 2/10/1992 1 36 6 8 2 1930 1512 14 2 52 0 14 0 048 416 743 0 001 155 0 45 0 02 157 0 18 0 0005 0 003 69 0 01 LGSC 3/26/1992 2 03 4 8 1640 2 LGSC 4/28/1992 3 06 10 8 1560 12 LGSC 5/14/1992 4 07 12 6 1 1730 1564 8 0 9 0 16 0 056 30 683 0 001 137 0 39 0 02 136 0 16 0 0001 0 004 54 0 01 LGSC 6/23/1992 126 21 81 161 10 LGSC 7/6/1992 1 22 8 1830 12 LGSC 8/17/1992 19 8 1880 1526 12 0 3 0 09 0 056 216 792 0 001 123 0 29 0 02 133 0 13 0 0001 0 004 63 0 01 LGSC 9/30/1992 19 7 9 1700 14 LGSC 10/15/1992 18 81 1700 10 LGSC 11/23/1992 1 6 2 8 3 1820 1526 2 096 0 46 0 038 456 757 0 001 159 0 24 0 02 165 0 16 0 0001 0 002 78 0 01 LGSC 12/17/1992 15 2 8 1940 8 LGSC 1/19/1993 14 4 82 2820 12 LGSC 2/27/1993 1 2 3 8 2 1990 2 LGSC 3/13/1993 1 8 3 8 1 1690 1408 16 1 5 0 2 0 02 416 737 0 001 144 0 23 0 02 150 0 19 0 0001 0 006 64 0 01 LGSC 4/21/1993 47 81 4 1735 8 1710 16 LGSC 5/27/1993 30 3 8 1 18 985 7 9 861 1297 LGSC 6/1/1993 9 1 8 3 10 983 8 2 923 784 116 1 41 0 21 0 15 334 340 0 001 97 3 1 0 02 80 0 19 0 0001 0 004 28 0 07 LGSC 7/30/1993 306 8 1 13 1790 7 9 1740 2 LGSC 8/23/1993 2 39 7 9 11 1650 8 1 1710 1248 12 1 48 0 1 0 012 384 661 0 001 121 036 0 02 139 0 14 0 0002 0 005 55 0 03 LGSC 9/14/1993 2 39 8 1 13 1060 8 2 1070 2 LGSC 10/19/1993 2 39 7 9 13 1710 8 1724 2 LGSC 11/30/1993 2 03 8 3 2 1710 8 4 1770 1272 32 2 1 0 05 0 005 362 667 0 001 126 0 39 0 02 130 0 18 0 0002 0 007 56 0 01 LGSC 12/1/1993 2 03 7 6 2 1720 7 9 1780 28 LGSC 1/18/1994 18 81 1 1720 82 1761 18 LGSC 2/27/1994 4 53 7 6 4 1080 7 8 1090 82 LGSC 3/21/1994 4 07 8 3 2 1640 8 4 1650 1290 2 1 43 0 09 0 024 428 436 0 001 124 0 25 0 02 128 0 12 0 0002 0 006 52 0 01 LGSC 4/19/1994 306 8 2 12 1680 8 2 1697 4 LGSC 5/31/1994 2 4 8 10 1720 8 2 1750 52 LGSC 6/1/1994 2 6 8 10 1700 8 2 1744 1290 30 1 24 0 15 0 07 446 652 0 001 136 1 93 0 02 148 0 24 0 0002 0 006 62 0 01 LGSC 7/22/1994 2 8 7 7 13 1860 7 9 1920 2 LGSC 8/23/1994 1 26 8 9 1820 8 3 1860 1470 2 1 65 0 14 0 017 384 755 0 003 143 0 2 0 02 177 0 04 0 0002 0 011 67 0 01 LGSC 9/30/1994 0 2 7 9 13 2110 8 1 2060 2 LGSC 10/21 /1994 02 8 11 2020 82 2010 5 LGSC 11/18/1994 1 26 8 3 2 1700 8 1 1750 1390 5 1 8 0 08 0 019 410 730 0 001 130 0 22 0 02 150 0 096 0 0002 0 01 58 0 01 LGSC 12/13/1994 1 3 8 1 2 2110 7 9 2080 6 LGSC 1/18/1995 18 79 1 1890 8 1870 5 LGSC 2/28/1995 1 8 8 2 6 1800 8 1820 5 LGSC 3/15/1995 2 15 8 5 1810 7 9 1820 1400 12 1 05 0 11 0 018 413 740 0 001 135 0 25 0 02 150 0 109 0 0002 0 007 65 9 0 01 LGSC 4/26/1995 2 27 8 3 9 1860 8 2 1840 8 LGSC 5/23/1995 11 92 7 9 10 1020 8 1 1040 720 5 1 09 0 05 0 076 284 310 0 001 96 5 2 58 0 02 77 5 0 117 0 0002 0 003 28 6 0 02 LGSC 6/19/1995 8 11 8 3 11 1170 8 2 1190 32 LGSC 7/26/1995 5 36 10 1530 7 9 1540 76 LGSC 8/24/1995 3 77 8 1 1630 8 1640 62 LGSC 9/13/1995 3 77 8 2 12 1620 8 2 1640 1280 26 0 96 0 01 096 0 08 0 036 424 613 0 001 141 0 85 0 02 157 0 174 0 0002 0 006 67 0 04 LGSC 10/25/1995 3 92 8 1 3 1900 8 1890 38