2012-03-09_REPORT - C1981019 (8)

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Colowyo Coal Company 2011 Annual Reclamation and Hydrology Report COLOWYO MINE NUGSC 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 mgA mg/1 mg/I mg/I mg/I mg/I mg/I mg/I mg/I mg/I mg/I Statistics Mean 3 00 8 25 7 89 1477 28 8 13 1499 95 1135 87 47 88 3 68 0 05 3 74 0 21 0 08 401 37 504 67 0 00 126 54 0 78 006 122 61 0 05 0 00 0 01 47 34 0 03 Std. Dev. 3 22 0 34 5 04 405 92 0 24 279 97 241 79 105 93 1 28 004 1 35 0 66 0 13 71 52 145 21 0 00 19 50 1 60 0 07 29 63 0 06 0 00 0 01 16 16 0 03 Coef. Var. Range 19 8 2 5 22 5 3023 1 1 2842 1250 992 5 4 0 09 6 32 4 05 0 855 433 760 0 0046 165 6 8 53 0 2 226 9 0 285 0 001 0 035 121 1 0 19 Max 20 00 9 4 22 6 3650 8 6 3600 1610 994 6 4 0 1 6 9 4 1 0 86 648 930 0 005 169 8 54 0 2 228 0 29 0 001 0 036 138 0 2 Min 0 20 6 9 0 1 627 7 5 758 360 2 1 0 01 0 58 0 05 0 005 215 170 0 0004 3 4 0 01 0 1 1 0 005 0 0 001 16 9 0 01 Max at 4/27/1998 11/18/1997 7/8/2002 3/6/1998 4/27/1998 3/6/1998 8/6/2001 5/27/1993 11/1/2004 11/5/2001 11/18/1994 5/3/2011 1/1/1999 2/23/2010 7/8/2002 11/1/2004 8/2/2002 5/17/1999 5/7/2001 8/2/2002 5/17/1999 5/7/2001 7/31/2000 11/10/2008 10/2/2000 Min at 3/18/1996 2/11/2002 12/18/1996 4/8/2002 10/24/2002 5/27/1993 5/8/2002 9/30/1994 5/20/1997 10/24/2002 4/27/1998 10/24/2002 9/11/1997 10/8/1998 5/20/1997 5/8/2002 6/1/1993 2/11/2002 6/28/2002 4/27/1998 3/14/2002 6/1/1990 5/20/1997 4/27/1998 10/24/2002 # Of Samples 194 166 200 198 202 202 79 197 63 55 87 69 74 87 95 87 148 98 87 148 92 79 86 87 79 Station Date NUGSC 10/16/2007 0 37 8 3 7 9 1690 8 5 1590 5 126 126 NUGSC 11/8/2007 0 28 854 4 6 1750 8 4 1670 1270 5 3 9 0 1 3 9 0 1 0 1 521 595 0 003 133 0 06 0 2 131 0 03 0 001 0 014 57 0 05 NUGSC 12/18/2007 0 58 8 26 4 1740 8 4 1660 5 145 140 NUGSC 1/15/2008 0 58 836 1 4 1610 8 3 1570 29 109 101 NUGSC 2/13/2008 0 71 8 25 4 1 1640 8 4 1600 1200 5 3 0 1 3 0 1 0 1 539 488 0 003 131 0 06 0 2 118 0 03 0 001 0 01 56 0 05 NUGSC 3/11/2008 1 23 8 19 3 5 1640 8 5 1610 6 135 119 NUGSC 4/15/2008 4 31 8 47 6 7 1430 8 5 1390 44 116 91 NUGSC 5/12/2008 19 50 8 04 9 1 960 8 4 936 185 88 62 NUGSC 6/18/2008 566 8 47 17 6 1160 8 3 1200 880 34 3 3 0 1 3 3 0 1 0 1 428 289 0 003 104 0 44 0 2 87 0 05 0 001 0 01 28 0 05 NUGSC 8/13/2008 0 95 7 91 14 3 1650 8 3 1600 1280 12 6 4 0 1 6 4 0 1 0 1 502 486 0 003 134 0 23 0 2 128 0 04 0 001 0 018 45 0 05 NUGSC 11/10/2008 1 63 7 84 5 2 1650 8 2 1570 1220 11 3 8 0 1 3 8 0 1 0 1 526 478 0 003 138 0 2 0 2 129 0 06 0 001 0 014 138 0 05 NUGSC 3/17/2009 1 10 7 87 9 3 1480 8 3 1370 1120 18 2 9 0 1 2 9 0 1 0 1 466 465 0 003 128 0 48 0 2 117 0 03 0 001 0 013 45 0 05 NUGSC 6/3/2009 2 78 7 67 12 9 1130 8 3 1120 800 188 1 6 0 1 1 6 0 1 0 1 536 252 0 003 104 2 41 0 2 79 0 17 0 001 0 006 29 0 05 NUGSC 8/19/2009 1 69 7 52 14 8 1580 8 4 1520 1240 19 4 8 0 05 4 8 0 1 0 1 574 469 0 003 151 0 15 0 2 155 0 03 0 001 0 016 57 0 05 NUGSC 11/2/2009 1 21 8 6 7 1 1590 8 2 1500 1120 6 4 3 0 1 4 3 0 1 0 1 620 496 0 003 127 0 16 0 2 124 006 0 001 0 016 51 0 05 NUGSC 2/23/2010 1 21 8 04 6 9 1600 8 1 1480 1290 5 3 9 3 9 648 544 140 0 13 139 0 04 0 016 54 NUGSC 5/5/2010 4 37 8 24 10 1 1120 8 5 909 780 216 1 2 1 2 0 16 385 257 105 2 22 76 0 14 32 NUGSC 8/3/2010 0 60 8 74 17 9 1470 8 4 1310 1050 31 4 1 4 1 420 422 111 0 13 115 0 04 0 012 45 NUGSC 11/4/2010 0 79 8 45 4 8 1610 8 3 1420 1140 10 3 3 3 3 475 466 120 0 19 123 0 01 52 NUGSC 3/21/2011 3 30 7 46 5 4 1540 8 3 1340 1150 29 2 8 2 8 0 05 483 427 124 0 48 102 0 07 0 016 46 NUGSC 5/3/2011 10 20 8 19 8 4 1120 8 3 924 790 164 2 1 2 1 4 1 0 13 421 261 109 1 79 80 0 1 0 006 30 NUGSC 8/17/2011 2 31 8 87 14 6 1490 8 4 1470 1080 8 4 1 4 1 430 401 118 0 13 111 004 0 014 39 NUGSC 11/10/2011 1 32 8 73 2 2 1590 8 3 1540 1170 20 3 9 3 9 491 486 134 0 27 120 0 04 0 012 46 NUGSC Exhibit 2A Water Quality Data 1992 -2010 New Upper Good Spring Creek (NUGSC)