2012-03-09_REPORT - C1981019 (8)

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Colowyo Coal Company 2011 Annual Reclamation and Hydrology Report COLOWYO MINE NUGSC Exhibit 2A Water Quality Data 1992 -2010 New Upper Good Spring Creek (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/1 mg/I mg/I mg/I mg/I mg/I mg/I mg/1 mg/1 mg/1 mg/1 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 0 06 122 61 0 05 0 00 0 01 47 34 0 03 Std. Dev. 3 22 034 5 04 405 92 0 24 279 97 241 79 105 93 1 28 0 04 1 35 0 66 0 13 71 52 145 21 0 00 19 50 1 60 0 07 29 63 006 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 10/15/1992 1 70 17 8 4 1430 1264 2 4 65 0 22 0 029 334 626 0 001 125 0 02 0 02 135 0 01 0 0 02 48 0 01 NUGSC 11/23/1992 1 00 1 8 2 1500 1188 2 4 29 0 28 0 021 394 591 0 001 125 0 02 0 02 125 0 02 0 0 005 50 0 01 NUGSC 12/17/1992 1 30 1 8 1 1670 12 NUGSC 1/19/1993 060 4 81 2480 2 NUGSC 2/27/1993 050 3 8 1780 4 NUGSC 3/13/1993 1 00 2 8 1 1470 1180 20 3 52 0 16 0 02 402 595 0 002 130 0 13 0 02 123 0 02 0 0 012 53 0 01 NUGSC 4/21/1993 410 2 1520 8 1490 22 NUGSC 5/27/1993 15 40 17 890 7 9 758 994 NUGSC 6/1/1993 7 40 9 976 8 3 902 592 136 1 93 0 17 0 16 306 220 0 001 77 2 6 0 02 56 0 14 0 0 004 18 0 14 NUGSC 7/30/1993 2 30 15 1710 7 6 1680 4 NUGSC 8/23/1993 1 90 10 1540 8 2 1560 1144 4 5 06 0 07 0 007 374 572 0 001 124 0 02 0 02 129 0 01 0 0002 0 012 48 0 01 NUGSC 9/14/1993 190 13 1550 83 1580 2 NUGSC 10/19/1993 170 12 1510 8 1525 22 NUGSC 11/30/1993 1 70 2 1480 8 4 1502 1098 2 4 5 0 05 0 005 330 375 0 002 129 0 07 0 02 123 0 03 0 0002 0 012 51 0 01 NUGSC 12/1/1993 170 2 1510 8 1550 10 NUGSC 1/18/1994 1 40 1 1520 8 2 1551 6 NUGSC 2/27/1994 250 4 1100 8 1110 362 NUGSC 3/21/1994 2 20 2 1450 8 5 1470 1082 14 3 32 0 1 0 029 404 494 0 001 127 0 32 0 02 110 0 06 0 0002 0 009 42 0 01 NUGSC 4/19/1994 1 50 12 1340 8 3 1350 26 NUGSC 5/31/1994 201 10 1310 82 1349 78 NUGSC 6/1/1994 2 00 9 1310 8 3 1348 958 72 2 58 0 05 0 061 396 442 0 001 112 2 32 0 02 103 0 11 0 0002 0 008 39 0 01 NUGSC 7/22/1994 1 20 12 1570 8 1 1660 18 NUGSC 8/23/1994 1 10 8 1700 8 3 1750 1388 12 6 0 13 0 019 384 638 0 002 133 0 34 0 02 159 0 05 0 0002 0 019 75 0 01 NUGSC 9/30/1994 0 23 12 1700 8 4 1760 2 NUGSC 10/21/1994 0 25 12 1750 8 3 1780 5 NUGSC 11/18/1994 1 00 3 1800 8 1 1820 1440 5 6 9 006 0 011 430 740 0 001 140 0 04 0 02 150 0 014 0 0002 0 019 61 0 01 NUGSC 12/13/1994 110 2 1800 79 1850 8 NUGSC 1/18/1995 125 1 1640 8 1690 5 NUGSC 2/28/1995 110 6 1620 8 1620 5 NUGSC 3/15/1995 1 10 5 1630 7 8 1600 1200 5 3 51 0 06 0 009 388 610 0 001 141 0 09 0 02 132 0 013 0 0002 0 015 53 1 0 02 NUGSC 4/26/1995 1 20 11 1530 8 3 1500 20 NUGSC 5/23/1995 5 20 10 910 8 2 936 650 5 1 77 0 05 0 16 264 250 0 002 95 6 35 0 02 67 3 0 23 0 0002 0 005 23 6 0 05 NUGSC 6/19/1995 3 10 12 1090 8 3 1060 68 NUGSC 7/26/1995 2 60 10 1320 7 6 1340 48 NUGSC 8/24/1995 150 12 1470 82 1490 24 NUGSC 9/13/1995 1 50 13 1510 8 3 1490 1130 5 3 84 3 84 0 017 377 547 0 001 117 0 18 0 02 128 0 02 0 0002 0 013 49 5 0 02 NUGSC 10/25/1995 3 1540 8 2 1550 5 NUGSC 11/29/1995 120 2 1450 83 1490 22 NUGSC 12/5/1995 1 20 2 1460 7 9 1510 1020 14 3 24 0 01 3 24 0 07 0 005 384 520 0 001 121 004 0 02 122 0 009 0 0002 0 013 49 4 0 03 NUGSC 1/3/1996 1 20 8 32 5 1610 7 8 1640 56 NUGSC 2/20/1996 1 00 8 53 5 1974 8 2 1400 1 170 5 3 73 0 01 3 73 0 05 0 03 393 530 0 001 126 0 14 0 1 130 0 04 0 0002 0 013 51 0 05 NUGSC 3/18/1996 0 20 8 95 7 1328 8 3 1340 1060 12 NUGSC 4/1/1996 100 896 4 3300 82 1300 970 18 NUGSC 5/6/1996 1 20 8 11 10 1035 8 3 1033 720 214 1 88 0 01 1 88 0 09 0 198 333 280 0 002 96 4 3 68 0 02 82 7 0 175 0 0002 0 006 25 1 0 04 NUGSC 6/3/1996 1 30 8 2 14 1140 8 4 1122 90 NUGSC 7/1/1996 1 10 7 95 12 1228 8 3 1327 970 38 3 11 0 01 3 11 0 05 380 390 0 001 118 1 08 0 02 106 0 084 0 0002 0 009 38 8 0 03 NUGSC