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MINREC, INC., NORTH THOMPSON CREEK MINES <br />NORTH THOMPSON CREEK UPSTREAM <br />Date <br />Parameter <br />Units <br />05/12/10 <br />05/19/11 9/29/2011 5/31/2012 9/21/2012 5/28/2013 <br />10/30/2013 5/28/2014 09/16/14 05/19/15 09/29/15 05/05/16 <br />09/29/16 <br />MIN <br />MAX <br />AVG <br />PH <br />su <br />7.4 <br />7.6 <br />6.8 <br />7.2 <br />7.8 <br />7.6 <br />7.0 <br />7.6 <br />7.3 <br />7.21 <br />7.19 <br />7.57 <br />7.49 <br />6.77 <br />7.8 <br />7.4 <br />TSS <br />mg/l <br />34 <br />25 <br />1 <br />2 <br />2 <br />9 <br />2 <br />6 <br />9 <br />7 <br />9 <br />8 <br />12 <br />1 <br />34 <br />10 <br />TDS <br />mg/l <br />141 <br />125 <br />131 <br />380 <br />376 <br />125 <br />1148 <br />520 <br />508 <br />483 <br />496 <br />148 <br />468 <br />125 <br />1148 <br />388 <br />Oil & Grease <br />mg/1 <br />r4o Sheen <br />No Sheen <br />No Sheen <br />o Sheen <br />No Sheen <br />No Sheen <br />No Sheen <br />No Sheen 4o Sheen 4o Sheen 4o Sheen 4o Sheen <br />No Sheen <br />No Sheen <br />No Sheen <br />o Sheen <br />Bicarbonate <br />mg/l <br />35.11 <br />41.54 <br />39.76 <br />41.18 <br />38.86 <br />41.27 <br />35.11 <br />41.54 <br />39.62 <br />Chloride <br />mg/l <br />6.24 <br />5.76 <br />4.83 <br />4.76 <br />5.21 <br />5.45 <br />4.76 <br />6.24 <br />5.38 <br />Calcium <br />mg/l <br />42.0 <br />43.6 <br />40.8 <br />42.3 <br />39.9 <br />34.6 <br />34.60 <br />43.60 <br />40.53 <br />Magnesium <br />mg/l <br />25.8 <br />13.6 <br />11.9 <br />11.5 <br />9.8 <br />7.9 <br />7.9 <br />25.8 <br />13.4 <br />Sodium <br />mg/l <br />11.00 <br />14.5 <br />13.6 <br />13.1 <br />12.7 <br />11.9 <br />11.00 <br />14.50 <br />12.79 <br />Iron <br />ug/l <br />300 <br />280.0 <br />130 <br />125 <br />88 <br />63 <br />63.0 <br />300.0 <br />164.3 <br />Manganese <br />ug/1 <br />60 <br />46.0 <br />42 <br />44 <br />36 <br />29 <br />29.0 <br />60.0 <br />42.8 <br />Zinc <br />ug/l <br />24 <br />23.0 <br />19 <br />22 <br />19 <br />12 <br />12.0 <br />24.0 <br />19.8 <br />Sulfate <br />ug/l <br />66.28 <br />58.0 <br />52.14 <br />51.56 <br />46.58 <br />21.4 <br />21.40 <br />66.28 <br />49.33 <br />Copper <br />ug/l <br />8 <br />11.0 <br />9.0 <br />7.0 <br />6.0 <br />6 <br />6.0 <br />11.0 <br />7.8 <br />Arsenic Total <br />ug/l <br />4.00 <br />2.75 <br /><2.0 <br />2.18 <br /><1.0 <br />12.0 <br />4.0 <br /><2.0 <br />12.0 <br />5.0 <br />Arsenic PD <br />ug/l <br />3.81 <br />2.66 <br /><2.0 <br />2.00 <br /><1.0 <br />10.0 <br />3.0 <br /><2.0 <br />10.0 <br />4.3 <br />Chromium 3 TRE <br />ug/l <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br />Copper, PD <br />ug/l <br />38 <br />20 <br /><5.0 <br /><10.0 <br />20.0 <br /><5.0 <br /><10.0 <br /><5.0 <br />38 <br />26 <br />Iron, Dissolved <br />ug/l <br />230 <br />230 <br />90 <br />100 <br />320 <br />15 <br />310 <br />15 <br />320 <br />185 <br />Iron, tree <br />ug/1 <br />440 <br />380 <br />170 <br />120 <br />750 <br />21 <br />460 <br />21 <br />750 <br />334 <br />Manganese, PD <br />ug/l <br />8.0 <br />18.0 <br />20.0 <br />10.0 <br />20.0 <br /><10.0 <br /><10.0 <br /><10.0 <br />20.0 <br />15.2 <br />Mercury, Tot <br />ug/l <br />0.02 <br />0.03 <br />0.02 <br />0.03 <br />0.03 <br />0.006 <br />0.006 <br />0.030 <br />0.023 <br />Silver, PD <br />ug/l <br />1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br />1.0 <br />1.0 <br />Zinc, PD <br />ug/l <br />50.0 <br />21.0 <br /><5.0 <br />50.0 <br />20.0 <br />15.0 <br /><1.0 <br />15.0 <br />50.0 <br />31.2 <br />Boron, Total <br />mg/l <br />0.69 <br />0.18 <br />1.03 <br />0.72 <br />0.66 <br />0.78 <br />0.69 <br />0.18 <br />1.03 <br />0.68 <br />Sulfide <br />mg/l <br /><0.2 <br /><0.2 <br /><0.2 <br /><0.2 <br /><0.2 <br /><0.2 <br /><0.2 <br /><0.2 <br /><0.2 <br /><0.2 <br />