2009-03-27_REPORT - C1981019 (9)

Home Browse Search

co/owyu CralCampany Exhibit 2A AnnualReclam tronandHydm Reporr Water Quality Data COLOWYO MINE 1983-2008 Lower Taylor Creek (LTC) Listing of Stream Lab Data Flow Field Field Field Lab Lab TDS N03+1402 NI-13 Bicarb Ambig. Ambig. SNAmbig. SNAmbig. SNAmbig. SNAmbig. SW Ambig. S14Ambig. SNAmbig. SNAmbig. SNA mbig. SN No datum => Blank Rate pH Temp Conduct pH Conduct •180 TSS as N as N as CaC03 Sulfate P As Ca Fe Pb Mg Mn Hg Se Na Zn cfs S.U. deg C umho/cm S.U. umho/cm mgA mgA mgA mgA mgA mg/I mgA mgA mgA mg4 mg/I mgA mgA mgA mgA mgA mgA Statistics Mean 0.59 9A4 777.75 1613.23 800.22 1592.35 1127.76 468.15 0.76 0.06 297.42 322.65 1.90 46.24 47.16 2.56 56.85 58.09 0.19 0.00 46.40 46.42 0.06 Std. Dev. 0.86 0.33 6.50 452.45 0.27 438.92 355.76 2035.66 1.45 0.07 83.38 211.36 24.93 0.00 25.92 18.67 0.05 45.65 1.24 0.00 0.00 36.07 0.14 Coef. Var. Range 6.3 1.9 25.1 3357.2 1.6 3370 1786 20582 4.94 0.36 400 1109 184.995 0.027 108.2 131.99 0.28 230 7.845 0.0009 0.015 168 0.795 Max 6.3 9.3 25 3580 8.6 3570 1930 20584 4.95 0.38 467 1128 185 0.028 134 132 0.3 238 7.85 0.001 0.016 174 0.8 Min 0 7.4 -0.1 222.8 7 200 144 2 0.01 0.02 67 19 0.005 0.001 25.8 0.01 0.02 8 0.005 0.0001 0.001 6 0.005 Max at 4/29/1986 8/12/ 1983 6/18/ 1987 3/6/1998 2125/ 1991 3/6/1998 10/5/1989 311/1988 6/28/1985 2/5/2001 11/1811997 10/5/1989 3/31/1988 31111998 2/24/1986 212811990 212811990 10/12/1988 3/1/1988 21 5/2001 8113/1984 10/5/1989 2128/1990 Min at 1211312002 6/28/ 1985 11/11/ 1999 5119/1997 2122/ 1989 212811990 2/28/1990 3/30/1989 2/712000 10/5/1989 3/5/2001 2128/1990 9/11/1997 1/6/1998 2/5/2001 9113/1995 4/17/2000 2128/1990 711/1996 6 11/1993 101311996 2128/1990 612811985 #OfSamples 195 190 188 90 264 132 59 133 95 77 56 100 110 112 116 115 109 107 109 110 110 110 55 Station Sample Flow Field Field Field Lab Lab TDS N03+NO2 NH3 Bicarb Ambig. Ambig. SNAmbig. SNAmbig. SNAmbig. SNAmbig. SW Ambig. SNAmbig. SNAmbig. SNAmbig. SNAmbig. SN Name Date Rate pH Temp Conduct pH Conduct •180 TSS as N as N as CaC03 Sulfate P As Ca Fe Pb Mg Mn Hg Se Na Zn ------------ ---- - -- cfs S.U. deg C umho/cm S.U. umho/cm mgA - mgA -- - --- mgA mgA mgA -- - ---- mgA - - ----- - mgA ------ mgA - mgA ----- mgA mg/I mgA - mgA -------- - mgA -------- -- mgA -- - - mgA ------- -- mgA --- - -- LTC 3/3111983 8.1 1230 885 140 0.08 336 410 0.06 0.002 73 1.54 0.03 100 0.12 0.001 0.002 74 0.018 LTC 5/511983 8 1375 8 1230 96 1.95 LTC 6/1511983 975 8 960 740 106 0.02 283 233 0.04 0.002 72 0.5 0.02 75 0.09 0.001 0.002 43 0.005 LTC 7/1411983 8 1220 134 1.86 LTC 7121/1983 8 1250 108 1.61 LTC 8/211983 8.2 1260 120 LTC 8/12/1983 9.3 1170 8 1345 44 0.72 LTC 8119/1983 1160 8 1220 830 30 LTC 8/1511983 8 1230 850 56 LTC 9/211983 7.9 1280 890 42 LTC 9/9/1983 8 1280 910 4 LTC 911611983 8.1 1200 1070 8 LTC 9/23/1983 8.2 1200 1110 6 0.02 317 416 0.02 0.002 68 0.55 0.05 102 0.02 0.001 0.002 70 0.01 LTC 912711983 8.2 1200 1110 60 LTC 1014/1983 8.2 1200 1220 56 LTC 10/12/1983 8 13.5 8.2 1200 1210 32 LTC 10/19/1983 9.5 8.3 1200 1220 20 LTC 10/27/1983 8.4 9 1350 8.1 1380 30 LTC 11/18/1983 8 1000 990 90 LTC 12/12/1983 8 1460 1000 26 0.77 0.02 329 417 0.02 0.002 101 0.71 0.05 85 0.07 0.001 0.002 66 0.005 LTC 3/13/1984 0.22 8.1 2 7.1 740 440 656 0.07 0.02 140 206 0.02 0.002 32 3.65 0.02 49 0.43 0.0005 0.002 42 0.54 LTC 4/30/1984 8 10 8.2 1180 596 LTC 5/25/1984 8.2 18 8.1 1030 5150 LTC 7/25/1984 0.24 8.3 22 1550 8 1300 50 LTC 8113/1984 0.22 8 18 1545 8.3 1620 1260 16 3.72 0.02 266 569 0.02 0.002 91 0.08 0.02 126 0.02 0.001 0.016 89 0.01 LTC 91611984 0.48 8.1 15 1700 8.4 1750 16 LTC 101211984 0.64 7.8 8 1080 7.8 1120 720 4400 1.3 0.02 220 317 2.24 0.003 80 0.05 65 1.39 0.001 0.002 73 0.27 LTC 11/1/1984 0.49 8.5 10 1825 7.6 1650 88 LTC 11/611984 7.6 1650 88 LTC 11/1611984 8.1 1950 368 LTC 12112/1984 8.1 2010 378 LTC 2/22/1985 8.3 1990 1145 360 2.7 0.02 376 494 0.29 0.002 113 8.1 0.02 115 0.22 0.001 0.008 111 0.067 LTC 4130/1985 12 8 1280 1770 LTC 513111985 8 8.1 1620 1230 362 4.93 0.05 305 549 0.02 0.001 126 1.77 0.02 145 0.12 0.001 0.01 68 0.011 LTC 6/28/1985 2 7.4 1525 8 1750 1200 160 4.95 0.14 290 599 0.02 0.001 109 0.97 0.02 150 0.04 0.0002 0.008 76 0.005 LTC