2012-03-09_REPORT - C1981019 (8)

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Colowyo 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/I mg/I mg/I mg/I mg/I mg/I mg/I mg/I mg/1 mg/I mg/I mg/I mg/1 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 0 00 24 76 0 92 006 29 43 006 0 00 0 00 25 04 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 0 018 208 884 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 It 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 LGSC Exhibit 2A Water Quality Data 1982 -2010 Lower Good Spring Creek (LGSC) Station Date LGSC 11/29/1995 2 39 8 3 3 1820 8 2 1820 56 LGSC 12/5/1995 2 39 8 2 2 1830 8 1710 1310 5 1 27 0 01 1 27 0 07 0 017 426 610 0 001 134 0 24 0 02 145 0 123 0 0002 0 007 65 5 0 03 LGSC 1/3/1996 2 15 8 31 3 2550 7 9 1890 8 LGSC 2/20/1996 3 77 8 33 4 1511 8 1 1310 1080 26 1 5 0 03 1 53 0 12 0 113 270 490 0 001 110 0 82 0 04 112 0 24 0 0002 0 006 55 4 0 03 LGSC 3/18/1996 0 3 8 62 4 1549 8 2 1550 1250 12 LGSC 4/1/1996 1 1 8 79 6 2150 7 9 1800 1300 222 LGSC 5/6/1996 1 4 8 1 11 1477 8 1 1416 1010 96 0 9 0 01 0 9 0 09 0 105 406 430 0 001 120 1 95 0 02 116 0 213 0 0002 0 004 54 0 04 LGSC 6/3/1996 1 4 796 14 1600 8 3 1567 36 LGSC 7/1/1996 1 3 8 15 17 1565 8 2 1625 1230 24 1 16 0 01 1 17 0 05 426 550 0 001 123 0 74 0 02 132 0 142 0 0002 0 006 58 2 0 03 LGSC 8/8/1996 1 1 8 2 11 8 1664 8 3 1709 12 0 34 LGSC 9/26/1996 1 26 8 7 7 6 1411 8 1886 30 064 0 01 0 64 491 690 0 001 135 0 37 0 04 152 0 16 0 0002 0 004 89 4 0 02 LGSC 10/3/1996 1 26 7 5 16 2900 8 1 2036 16 0 51 0 01 0 51 484 660 0 001 123 0 37 0 04 155 0 14 0 0002 0 004 115 0 02 LGSC 11/19/1996 2 39 8 4 4 4 1340 8 3 1623 5 0 6 0 01 0 61 442 630 0 001 145 0 4 0 04 150 0 0002 0 004 94 6 0 03 LGSC 12/18/1996 1 8 8 1 -0 6 1843 7 9 1937 5 1 43 0 01 1 43 503 680 0 001 148 0 2 0 04 151 0 162 0 0002 0 007 80 7 0 01 LGSC 1/19/1997 2 39 8 3 0 2 1620 8 2 1699 6 1 94 0 01 1 95 440 610 0 001 142 0 15 0 04 144 0 124 0 0002 0 008 75 4 0 01 LGSC 2/26/1997 8 5 0 7 1328 8 2 1681 12 1 69 0 01 1 7 436 610 0 001 139 0 26 0 04 137 0 099 0 0002 0 006 66 7 0 02 LGSC 3/19/1997 2 92 8 4 5 6 1220 8 2 1446 5 1 15 0 01 1 16 0 006 410 560 0 001 124 0 19 0 04 125 0 075 0 0002 0 007 56 2 0 02 LGSC 4/21/1997 7 72 8 3 5 7 1062 8 2 1170 28 1 13 0 01 1 14 0 025 366 400 0 001 108 0 58 0 04 95 3 0 077 0 0002 0 005 46 9 0 03 LGSC 5/20/1997 17 8 3 12 836 8 2 1020 88 104 0 01 1 05 317 260 0 002 96 6 2 25 0 04 76 6 0 135 0 0002 0 004 31 4 0 02 LGSC 6/26/1997 6 23 8 1 19 8 1379 8 1 1440 66 2 09 0 02 2 11 0 173 420 400 0 002 129 1 35 0 04 116 0 15 0 0002 0 008 48 4 0 02 LGSC 7/9/1997 536 8 3 18 2 1387 8 4 1490 20 2 44 0 01 2 44 0 055 426 490 0 001 133 0 73 0 04 121 0 096 0 0002 0 009 51 2 0 02 LGSC 8/14/1997 4 07 8 3 12 4 1422 8 3 1570 1160 22 1 79 0 01 1 79 0 08 0 053 420 510 0 002 115 0 43 0 04 116 0 132 0 0002 0 008 59 9 0 03 LGSC 9/11/1997 2 15 8 2 15 6 1341 8 3 1620 1220 30 1 69 0 01 1 69 0 1 0 005 405 560 0 001 121 1 56 0 04 128 0 166 0 0002 0 008 64 7 0 02 LGSC 10/30/1997 0 39 7 4 3 9 1656 8 1 1490 28 LGSC 11/18/1997 1 8 9 3 5 1343 8 1 1660 1180 62 2 15 0 01 2 15 0 07 0 07 451 570 0 001 144 154 0 04 137 0 135 0 0002 0 007 64 8 0 04 LGSC 12/8/1997 1 4 8 2 1778 8 2 1650 5 LGSC 1/6/1998 2 4 8 0 3 1890 8 1880 1410 5 1 85 0 01 1 86 0 08 0 18 524 630 0 001 135 0 17 0 04 138 0 151 0 0002 0 007 106 0 01 LGSC 2/19/1998 2 4 8 1 1800 8 1 1790 5 LGSC 3/6/1998 3 8 3 1850 8 1 1800 5 LGSC 4/9/1998 18 8 2 1440 8 2 1450 22 LGSC 4/27/1998 47 1962 8 4 1170 780 172 1 71 0 05 0 21 336 293 0 005 113 4 27 0 02 78 6 0 16 0 001 0 005 30 9 0 01 LGSC 6/11/1998 6 6 8 6 8 7 1553 8 2 1370 114 LGSC 7/6/1998 5 8 4 21 1589 8 3 1520 67 LGSC 8/3/1998 3 8 4 14 1709 8 1 1550 1280 52 3 96 0 05 0 05 414 559 0 005 158 1 19 0 02 90 9 0 02 0 001 0 01 59 5 0 01 LGSC 9/10/1998 066 8 4 15 8 1995 8 1710 54 LGSC 10/8/1998 2 8 8 4 12 1203 8 4 1740 1490 24 6 84 0 09 0 05 270 631 0 005 149 0 53 0 02 124 0 02 0 001 0 006 132 0 01 LGSC 11/5/1998 0 5 8 6 9 2018 7 8 1840 10 LGSC 12/14/1998 0 5 8 3 5 8 2216 7 8 1920 48 LGSC 1/7/1999 8 5 5 5 2196 8 2 1810 1460 13 3 48 0 05 0 5 465 606 0 005 147 0 5 0 02 116 0 001 0 01 100 0 01 LGSC 2/22/1999 0 3 8 6 4 5 1990 7 9 1890 7 LGSC 3/3/1999 0 28 8 6 6 1245 7 9 1720 5 LGSC 4/6/1999 4 7 8 23 1894 7 9 1720 6 LGSC 5/17/1999 17 8 41 8 4 812 8 2 1250 920 32 2 07 0 05 0 08 346 355 0 005 106 1 01 0 02 88 4 0 08 0 001 0 007 42 3 0 01 LGSC 6/10/1999 8 71 8 2 9 4 1492 8 1420 70 LGSC 7/6/1999 3 77 8 18 20 2 1569 7 9 1620 1210 66 284 0 05 0 15 356 515 0 005 97 7 1 5 0 02 113 0 02 0 001 0 01 56 3 0 01 LGSC 8/19/1999 2 5 8 08 13 4 1791 7 8 1640 24 LGSC 9/3/1999 3 62 8 16 14 4 1390 8 1720 28