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Energy Fuels Coal, Inc. Southfield Mine - 2004 Annual Hydrology Report Apri15, 2005 <br />TABLE 14 <br />MAGPIE CREEK (UP STREAM) WATER QUALITY DATA <br />Monitorin Point MC-1 <br /> 2004 Sample Date: 2004 1991 - 2004 <br />Parameter Units 04/13/04 12/07/04 Average Min. Ave. Max. <br />pH (feld) units 8.6 No flow 8.8 6.5 7.6 8.8 <br />Conductivity (feld) umhos/cm 201.0 201.0 30.0 66.8 201.0 <br />Temperature (feld) deg C 16.6 16.6 5.0 11.0 16.9 <br />Solids, total suspended Mg/I 0.0 0.0 0.0 1115.1 4920.0 <br />Solids, total dissolved Mg/I 190.0 190.0 60.0 131.0 260.0 <br />Oil and Grease (visual) yes/no No no n/a n/a n/a <br />SAR in water mgll 0.76 0.76 0.0 0.43 0.76 <br />Bicarbonate as CaC03 mg/I 35.0 35.0 20.0 35.3 82.0 <br />Calcium, t rec mg/I 20.3 20.3 9.0 60.4 399.0 <br />Chloride mg/I 5.0 5.0 0.0 3.9 20.0 <br />Magnesium, t rec mg/I 4.1 4.1 1.7 16.9 55.0 <br />Nitrogen, nitrate/nitrite mgll 0.44 0.44 0.06 0.37 0.65 <br />Selenium, t rec mg/I 0.001 0.001 0.000 0.001 0.002 <br />Phosphorus, ortho diss mg/1 0.08 0.08 0.03 0.11 0.21 <br />Phosphorous, total Mg/I 0.21 0.49 0.92 <br />Sodium, t rec mg/I 13.80 13.80 4.00 13.36 55.20 <br />Sulfate mg/I 60.0 60.0 0.0 37.7 100.0 <br />Aluminum, t rec mg/I 5.37 5.37 0.090 66.099 254.00 <br />Arsenic, t rec mg/I 0.001 0.001 0.001 0.0097 0.030 <br />Cadmium, t rec mg/I 0.000 0.000 0.000 0.0005 0.0050 <br />Copper, t rec mg/I 0.000 0.000 0.000 0.074 0.280 <br />Iron, t rec mg/I 2.920 2.920 0.060 63.582 239.00 <br />Lead, r rec mg/I 0.000 0.000 0.000 0.042 0.200 <br />Manganese, t rec mgll 0.020 0.020 0.020 0.945 3.510 <br />Mercury, t rec mgll 0.000 0.000 0.000 0.000 0.000 <br />Molybdenum, t rec mg/I 0.000 0.000 0.000 0.000 0.000 ' <br />Zinc, r rec mg/I 0.040 0.040 0.000 0.220 0.730 <br />NOTES: <br />-Zero data values =parameter was analyzed for but not detected. <br />- Blank data fields = no data. <br />- t rec =total recoverable <br />6417/2004annuaihydrpl.doc NWCC INC. Page 30 <br />