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Colowyo Coal Company, L.P. <br /> Water Quality Data <br />~ 7992-2002 <br /> New Upper Good Spring Creek <br />COLOWYO MINE <br />(NUGSC) <br />Lis8n9 of Stream lab Data <br />No emum => Blank <br />srauau~a <br /> Mean 2.88 8.27 7.84 1404.59 8.06 1506.87 1776.80 47.00 3.77 0.02 3.83 0.19 0.07 365.2d 518.05 0.00 125.72 0.75 0.03 123.97 0.05 0.00 0.01 43.42 0.03 <br /> Slo. Dev. 3.13 0.36 5.40 473.28 0.24 318.% 289.24 119.01 1.17 0.03 1.35 0.80 0.77 45.84 749.08 0.00 18.41 1.80 0.04 31.47 0.08 0.00 0.01 12.88 0.04 <br /> Coet. Var. <br /> Range 19.8 2.24 22.5 3023 1 2842 7250 982 4.88 D.O9 8.32 3.79 0.555 215 780 0.0015 92 8.53 0.1999 172.6 0285 0.001 0.032 58 <br />7 0.19 <br /> Max 20 9.4 22.8 3650 B.5 3800 1810 891 8 0.1 8.9 3.84 0.58 430 930 0.005 789 8.64 0.2 228 0.29 0.001 0.038 . <br />75 0.2 <br /> Min 0.2 7.76 0.1 827 7.5 758 360 2 1.32 0.01 0.58 0.05 0.005 215 170 0.0005 77 0.01 0.0001 55.4 0.005 0 0.004 16.9 0.07 <br /> Max at 427/1988 11/18/7997 7/82002 3/8/1698 427/1898 3/6/1988 882001 527/7993 9202007 71/52007 77/78/1996 w13/7885 711/7999 11/1&1986 7/82002 5/72007 82IL002 5/77/1080 5/72007 8/2/2002 5/77/1998 5/r200/ 7fj72000 8/23/7986 10/2/2000 <br /> Min M 3/18/1998 2/112002 12/18/1888 I/820D2 70242002 527/1993 5/8/2002 9/30/1894 52011997 10242002 427/1998 702/2002 9/77/1987 10807888 520/1997 5/B/2002 8/1/1993 2/712002 8262002 427/199(1 374/2002 6/1/1980 520/1987 //27/1998 70242002 <br /> i 07 Sample: 114 85 119 777 722 122 43 118 27 27 51 40 /3 57 59 59 68 82 59 88 57 51 57 51 51 <br />Statbn Sample Flwv Flelo fielo FIHO lab Lab TDS NO3 NO2 NO3.NO2 NH3 Total BMab Ambig. SN Ambig. SN Amdg. SN Ambig. SN Ambig. SN Ambig. SN Ambig. SN Ambig. SN Ambig. SN Ambig. SW <br />Name Date Rate pH Temp Conaud pH ContluU -780 7SS as N as N as N as N P es CaCO3 Suttate As Ca Fe Pb Mg Mn HA Se Na Zn <br /> <br />_ cfs S.U. aeg C <br />_ umla/cm S.U. <br />_ umtw/cm mg/l <br />_ mge mgll mg/l mge mge mgll mgn mge mgn mge mge m <br />!N <br />g8 <br />m m <br />98 <br />mgA <br />mge <br />mg4 <br />mge <br />NUGSC 1129/1995 1.2 2 1450 8.3 1490 22 <br />NUGSC 12/5/1985 7.2 2 1460 7.9 1570 1020 14 3.24 0.07 3.24 0.07 0.005 384 520 0.001 727 0.09 0.02 122 0.009 0.0002 0.073 49.4 0 <br />03 ' <br />NUGSC 1/317996 7.2 8.32 5 1870 7.8 1640 56 . <br />NUGSC 220/1888 1 8.53 5 1974 8.2 1400 7170 5 3.73 0.07 3.73 0.05 0.03 393 530 0.001 728 0.14 0.1 130 0.01 0.0002 0.013 57 0 <br />05 <br />NUGSC 3/18/7988 0.2 8.95 7 7328 8.3 1340 1060 i2 . <br />NUGSC 4/117986 1 8.98 4 3300 8.2 7300 970 78 <br />NUGSC S/6/1998 1.2 8.11 70 7035 8.3 7033 720 274 1.88 0.01 1.88 0.09 0.798 333 280 0.002 98.4 3.68 0.02 82.7 0.175 0.0002 ~ 0.006 25 <br />1 0 <br />09 <br />NUGSC Brd/1996 1.3 8.2 i4 1740 8.4 1122 90 . . <br />NUGBC 7/!/7996 1.1 7.95 12 1228 8.3 1327 970 311 3.11 0.07 3.11 0.05 380 390 0.007 118 7.OB 0.02 108 0.084 0.0002 0.009 38.8 0 <br />03 <br />NUGSC 8/8/1996 0.75 8.59 B 1403 8.3 1423 24 0.28 . <br />NUGSC 0/24/1998 7.45 8.8 8.2 7135 <br />NUGSC 928/7986 8.1 1558 20 4.5 0.07 4.5 374 570 0.001 115 0.06 0.02 137 0.07 0.0002 0.012 50.8 0 <br />02 <br />NUGSC 1073/1898 1.2 7.84 12 8.1 1554 20 3.91 0.01 3.94 358 510 O.m7 115 0.37 0.02 126 0.028 0.0002 0.073 50.4 . <br />0 <br />02 - <br />NUGSC 77/18/1996 7.27 8.6 3.5 7772 8.4 1424 5 3.97 0.01 3.82 390 550 0.007 128 0.12 0.01 731 0.0002 0.074 53.7 . <br />0 <br />03 <br />NUGSC 17/78/7986 0.85 8.3 0.1 1512 7.9 7813 5 4.2 0.07 4.2 427 580 0.001 128 0.04 0.04 121 0.012 0.0002 0.014 45.6 . <br />0 <br />01 <br />NUGSC 1/79/7997 1.51 8.4 0.5 (109 8.2 7458 5 3.37 0.01 3.37 377 480 0.001 738 0.04 0.04 126 0.012 D.0002 0.012 57.7 . <br />0 <br />03 <br />NUGSC 228/1997 7.43 8.5 2.1 1070 8.3 1371 78 / 0.07 6.01 361 150 0.001 721 0.11 0.09 108 0.017 0.0002 0.01 45.4 . <br />0 <br />04 <br />NUGSC 3/19/1987 7.88 B.5 4.2 1086 8.3 7257 10 2.32 0.07 2.32 0.005 377 150 O.OD1 121 0.09 0.01 103 0.032 0.0002 0.077 39.5 . <br />0 <br />01 <br />NUGSC 421/1987 2.28 8.5 3.7 869 8.3 943 170 1.49 0.01 7.49 0.035 325 280 0.001 107 2.8 0.04 70.7 0.741 0.0002 0.008 26.2 . <br />0 <br />03 <br />NUGSC 52W7987 17.38 8.5 17.5 884 8.3 870 372 1.32 0.01 1.32 283 170 O.m2 90.7 1.87 0.04 59.7 0.215 0.0002 0.006 77.2 . <br />0 <br />06 <br />NUGSC 826/1997 5.7 8.2 79.9 7789 8.1 12/0 70p 3.92 0.01 3.93 0.171 388 400 0.001 122 1.86 0.02 102 0.099 0.0002 0.012 29.9 . <br />0 <br />05 <br />NUGSC 78)/1987 2.97 8.3 18.9 7244 8.4 1320 30 4.78 0.01 4.78 0.055 398 610 0.001 727 0.82 0.04 709 0.044 0.0002 0.013 31.8 . <br />0 <br />02 <br />NUGSC 8/74/1997 2.7 8.3 9.7 1235 8.2 7400 7050 5 4.02 0.01 4.02 0.07 0.031 IOD d40 0.001 719 0.14 0.04 109 0.029 0.0002 0.013 36.8 . <br />0 <br />03 <br />NUGSC 8/11/1987 2.f3 8.3 14.8 1103 B.Z 7390 7020 5 3.48 0.01 3.48 O.Od 0.005 354 480 0.001 109 0.37 0.04 109 0.029 0.0002 0.011 W . <br />0 <br />07 <br />NUGSC 70/30/1997 0.53 7.2 3.! 1277 8.2 7250 48 . <br />NUGSC 11/18/1997 1.4 9.4 3 7138 8.1 1440 1070 5 3.8 0.01 3.8 0.05 O.D2 413 480 0.001 132 0.07 0.04 116 0.022 D.0002 0.011 47.4 0 <br />05 <br />NUGSC 72/8/7997 7.2 8.3 4 1120 8.3 1420 5 . <br />NUGSC 7/8/1998 7.7 8.2 1440 8.2 1430 1050 5 3.87 0.02 3.61 0.07 0.02 403 140 <O.m2 719 0.08 0.04 114 0.021 0.0002 0.012 39.9 0 <br />01 <br />NUGSC 2/797199!1 LS 8 2.6 1510 8.1 1530 5 . <br />NUGBC 3/8/1998 1.7 7.4 3650 7.5 3800 8 <br />NUGSC 4/9/1998 12.5 8.3 7790 8.3 1180 82 <br />NUGSC 42711998 20 8.8 995 8.5 850 560 48 0.58 0.05 0.09 276 773 D.005 95.3 0.08 0.02 55.6 0.07 0.001 0.007 18.9 0 <br />01 <br />NUGSC 6111/1998 8 8.4 8.9 638 8.2 723D 55 . <br />NUGSC 7/8/7998 2.7 8.5 22 1450 B.4 7370 36 <br />NUGSC 8/3/1998 2.6 8.8 14 1750 8.2 1550 1270 S4 4.18 0.05 0.05 416 574 0.005 127 1.05 0.02 112 0.02 0.007 0.012 60.1 0 <br />01 <br />NUGSC 9/10/1998 0.35 B.d 14.2 1697 B 7460 17 . <br />NUGBC 1018/198(1 2.3 8.5 12 7808 8.3 1500 1310 12 2.87 0.05 0.05 215 589 0.005 750 0.2 0.02 126 0.02 001 <br />0 0 <br />014 44 <br />1 <br /> . . . 0.01 <br />CF 14.5 <br />NUGSC.xIS 31172003 8:44 AM <br />