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MINREC, INC., NORTH THOMPSON CREEK MINES <br />OUTFALL 001 DISCHARGE <br /> Date <br />Parameter Units 02/12/10 2/21/2010 3/12/2010 3/23/2010 4/7/2010 4/14/2010 5/23/2010 6/8/2010 7/20/2010 08/20/10 09/27/10 MIN MAX AVG <br />pH su 8.0 7.7 8.0 8.1 8.0 8.1 7.6 7.6 7.5 7.4 7.6 7.4 8.1 7.8 <br />Conductivity mhos/c 2010 2050 2000 2010 2030 2060 2000 2060 2027 <br />Temperature °C 2.3 2.1 2.2 2.4 2.3 2.5 13.8 15.5 12.8 2.1 15.5 6.2 <br />Flow GPM 22 25 28 30 30 25 22.0 30.0 26.7 <br />TSS mg/1 11 39 24 18 20 48 22 11 48 26 <br />TDS mg/l 1143 1342 1416 1425 1440 1518 1652 1143 1652 1419 <br />Oil & Grease mg/l No Sheen No Sheen No Sheen No Sheen No Sheen No Sheen No Sheen No Sheen No Sheen <br />Arsenic Total ug/l 31.30 0.31 0.25 0.20 0.22 12.75 219.0 62.0 183.0 1.08 0.20 219.00 51.01 <br />Arsenic PD ug/1 30.70 0.29 0.22 0.19 0.20 11.05 149.0 60.0 138.0 0.96 0.19 149.00 39.06 <br />Chromium 3 T ug/l <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <br />Copper, PD ug/l 8.8 25.0 17.0 33.0 30.0 71.0 74.0 43.0 39.0 50.0 8.8 74.0 39.1 <br />Iron, Dissolved ug/l 40.0 10.0 20.0 67.0 30.0 40.0 50.0 33.0 10.0 30.0 10.0 67.0 33.0 <br />Iron, TR ug/1 100 230 170 130 110 120 100 230 143 <br />Manganese, PD ug/1 5.0 4.0 7.0 16.0 7.0 70.0 77.0 70.0 1.0 45.0 1.0 77.0 30.2 <br />Mercury, Total ug/1 0.05 0.04 0.04 0.04 0.03 0.04 0.16 0.12 0.03 0.16 0.07 <br />Silver, PD ug/l 2.0 2.0 1.0 1.0 1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.0 2.0 1.4 <br />Zinc, PD ug/1 7 24 10 35 10 30 49 13 30 30 7.0 49.0 23.8 <br />Boron, Total mg/1 1.2 0.92 0.89 1.81 1.14 1.66 1.42 1.39 0.28 1.74 0.28 1.81 1.25 <br />Sulfide mg/1 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <br />No discharge directly to North Thompson Creek effective 4/30/2010. Monitoring after that date was Operator's prerogative.