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Colouyo Coal Company <br />COLOWYO MINE <br />Sample Field Field Field Lab Lab TDS Phosph. Bicarb NH3 N03+N02 N03 N02 <br />Date pH Temp Conduct pH Conduct (180) as P as CaC03 504 as N as N as N as N As Ca Fe Pb Mg Mn Hg Se Na 2n <br /> S.U. deg C u~o/cm S.U. u~o/cm m9/L mg/l mg/l mg/l m9/L mg/l mg/l mg/L mg/t m9/t m9/l mg/l mg/l mg/L mg/l mg/l mg/l mg/l <br />12/05/95 7.50 11.0 1860 7.90 1950 1320 0.024 455.00 L90.00 0.05 0.01 1.08 0.01 0.001 97.80 0.019 0.020 124.000 0.005 0.00020 0.008 154.00 0.030 <br />02/20/96 8.24 8.0 1865 7.60 1790 1310 0.093 448.00 500.00 0.05 1.04 1.04 0.01 0.001 99.70 0.030 0.020 123.000 0.005 0.00020 0.007 153.00 0.020 <br />04/16/96 7.93 11.0 1775 7.80 1960 1330 0.023 477.00 460.00 0.10 0.69 0.69 0.01 0.001 98.60 0.010 0.020 128.000 0.005 0.00020 0.004 174.00 0.010 <br />07/01/96 7.80 18.0 1864 7.60 1974 1300 0.005 467.00 470.00 0.05 0.79 0.79 0.01 0.001 107.00 N 0.020 125.000 0.005 0.00020 0.005 167.00 0.010 <br />09/29/96 7.40 9.5 1568 7.60 1957 1320 0.960 668.00 500.00 0.05 0.71 0.71 0.01 0.001 101.00 0.020 0.040 124.000 0.010 0.00020 0.005 164.00 0.020 <br />11/25/96 7.90 8.9 2200 8.00 1697 1320 0.032 477.00 480.00 0.05 0.75 0.75 0.01 0.001 105.00 0.010 0.020 129.000 0.005 0.00020 0.004 163.00 0.010 <br />12/22/96 7.60 9.1 1729 N N N N N N N N N N N N N N N N N N N N <br />01/26/97 7.60 9.1 1387 N N N N N N N N N N N N N N N N N N N N <br />02/26/97 7.60 9.6 1400 7.90 1908 1250 0.025 490.00 460.00 0.05 0.49 0.49 0.01 0.001 108.00 0.020 0.040 129.000 0.005 0.00020 0.002 176.00 0.010 <br />03/19/97 7.70 9.6 1362 N N N N N N N N N N N N N N N N N N N N <br />04/22/97 7.80 9.0 1404 N N N N N N N N N N N N N N N N N N N N <br />05/20/97 7.70 9.1 1397 7.80 1870 1370 0.012 756.00 460.00 0.05 0.55 0.55 0.01 0.001 111.00 0.010 0.040 125.000 0.009 0.00020 0.004 168.00 0.010 <br />06/28/97 7.60 11.1 1750 N N N N N N N N N N N N N N N N N N N N <br />07/09/97 7.60 10.8 1739 N N N N N N N N N N N N N N N N N N N N <br />08/14/97 7.70 9.6 1610 8.00 1930 1290 0.018 472.00 470.00 0.05 0.65 34.70 0.01 0.001 106.00 0.010 0.040 129.000 0.005 0.00020 0.005 167.00 0.010 <br />11/18/97 7.60 8.0 N 7.80 2000 1530 0.007 509.00 740.00 0.07 0.04 0.04 0.01 0.001 167.00 0.020 0.040 169.000 0.208 0.00020 0.001 93.00 0.010 <br />02/10/98 <br />Note: N => No measurement, D => Dry <br />