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MINREC, INC. AHR PAGE 3 <br />MINE WATER QUALITY <br />Water from the No.1 Mine and No. 3 Mine continues to be treated by the passive water <br />treatment system. No flow rate or quality analyses were collected during the year. <br />The following table presents arithmetic averages of flow and quality measurements taken <br />at Outfall 001. Outfall 001 is the discharge point for the passive water treatment system. <br />All of the water flowing from Outfall 001 was contained in Pond 9 and the refuse pond <br />during the year. There was no direct discharge from Outfall 001 to North Thompson Creek. <br />* Calculated based on 1.419 ratio of conductivity to TDS. <br />The units for the figures in the above table are; flow (gpm), pH (standard units); <br />conductivity (umhos/cm); total dissolved solids (mg/1) and iron (mg/1). Iron was measured <br />potentially dissolved through 2005. The current discharge permit requires iron to be <br />measured as dissolved and total recoverable. Dissolved iron is presented in the table. <br />WET TESTS <br />Not required by discharge permit. <br />OUTFALL 001 - QUALITY <br />YEAR <br />Flow Max <br />Flow Ave <br />pH <br />COND <br />TDS <br />IRON <br />2000 <br />49.2 <br />36.8 <br />8.1 <br />1924 <br />1329 <br />0.09 <br />2001 <br />30.0 <br />25.5 <br />8.1 <br />1884 <br />1376 <br />0.09 <br />2002 <br />25.0 <br />22.4 <br />7.9 <br />1907 <br />1388 <br />0.07 <br />2003 <br />22.0 <br />17.2 <br />8.2 <br />1944 <br />1346 <br />0.03 <br />2004 <br />25.0 <br />17.2 <br />8.2 <br />1970 <br />1399 <br />0.02 <br />2005 <br />17.0 <br />14.9 <br />8.0 <br />1929 <br />1321 <br />0.03 <br />2010 <br />30.0 <br />26.7 <br />8.0 <br />2027 <br />1419 <br />0.03 <br />2011 <br />25.0 <br />7.4 <br />2202* <br />1552 <br />0.03 <br />2012 <br />No Data, No discharge from Outfall 001 <br />2013 <br />No Data, No discharge from Outfall 001 <br />2014 <br />No Data, No discharge from Outfall 001 <br />2015 <br />No Data, No discharge from Outfall 001 <br />2016 <br />No Data, No discharge from Outfall 001 <br />* Calculated based on 1.419 ratio of conductivity to TDS. <br />The units for the figures in the above table are; flow (gpm), pH (standard units); <br />conductivity (umhos/cm); total dissolved solids (mg/1) and iron (mg/1). Iron was measured <br />potentially dissolved through 2005. The current discharge permit requires iron to be <br />measured as dissolved and total recoverable. Dissolved iron is presented in the table. <br />WET TESTS <br />Not required by discharge permit. <br />