Laserfiche WebLink
~ Cof owyo Coal Company <br />CDLOYYO MINE <br />02/11/98 Page 1 <br />S[a[i on: NUGSC <br />Sample Range: Through 12/31/97 <br /> Std Coef Maximum Minimum Max Value Min Value p of <br /> Mean Dev Var Range Value Value Found Found Samp <br />FIELD MEASUREMENTS <br />Field pH (S.U.) 8.16 9.40 7.20 it/18l97 10/30/97 24 <br />Field Temperature (deg C) 7.4 5.2 70 19.8 19.9 0.1 06/26/97 12/18/96 63 <br />Field Conductivity (u~o/cm) 1389 303 28 2616 3300 684 04/01/96 05/20/97 56 <br />LA80RATORY MEASUREMENTS <br />pH (Lab) (S.U.) 8.12 8.50 7.66 03/25194 07/3D/93 63 <br />Conductivity (Lab) (unho/cm) 1444 275 19 1722 2480 758 01/19/93 05/27/93 63 <br />TOS (180 deg C) (mg/l) 1062 207 20 848 1440 592 11/18/94 06/01/93 22 <br />Total Suspended Solids (mg/l) 53.2 140.5 264 992.0 994.0 2.0 05127!93 50115192 63 <br />Phosphate as P (mgf l) 0.030 0.049 161 0.193 0.198 0.005 05/06/96 11/30/93 31 <br />Bicarbonate as CaC03 (mg/l) 370.16 38.87 11 166.00 430.00 264.00 11/18/94 05/23/95 31 <br />Sulfate (mg/l) 471.94 133.68 28 570.00 740.00 170.00 11/18/94 65!20/47 31 <br />Ammonia Nitrogen as N (mgfl) 0.28 0.84 296 3.79 3.84 0.05 09/13/95 11/30/93 20 <br />Nitrate + Nitrite as N (mg/l) 3.64 1.24 34 5.58 6.90 1.32 11/18/94 05/20/97 31 <br />Arsenic (mg/t) 0.001 0.000 34 0.001 0.002 0.001 03/13/93 10/15/92 31 <br />Calci un (mgll) 114.37 14.66 52 64.00 141.00 77.00 03/15/95 06/01/93 31 <br />Iron (mg/t) 0.901 1.552 172 6.330 6.350 0.020 05!23!95 50115/92 32 <br />Lead (mg/l) 0.035 0.035 97 0.180 0.200 0.020 06/26/97 10/15/92 31 <br />Magnesium (mg/l) 112.961 24.476 22 103.000 159.000 56.000 08/23/94 06/01/93 31 <br />Manganese (mg/l) 0.057 0.063 110 0.221 0.230 0,009 65/23195 12105!95 30 <br />Mercury (m911) 0.00019 0.00003 18 0.0007 0 0.00020 0.00010 08/23/93 10/15/92 31 <br />Selenium (mg/l) 0.011 0.004 36 0.016 O.D20 0.004 10!15/92 06/01/93 31 <br />Sodium (mg/l) 43.22 12.70 29 57.80 75.00 17.20 08/23/94 05!20197 31 <br />2i nc (mg/t) 0.028 0.025 91 0.130 0.140 0.010 06/01/93 10/15/92 31 <br />