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North Fork of the Gunnison River <br />The North Fork of the Gunnison River is to be monitored in August of each year <br />as follows: <br />North Fork of the Gunnison River <br />August 11,2008 <br />Field Analysis U/S NFG D/S NFG Units <br />pH 8.1 7.9 su <br />Conductivity 80 110 umhos/cm <br />Temperature 17.5 17.9 Celsius <br />Flow 160 160 CFS <br />Laboratory Analysis <br />pH 7.64 7.58 su <br />Ammonia 0.04 <0.01 m /L <br />Chlorine <0.10 <0.10 mg/L <br />Cyanide <0.20 <0.20 mg/L <br />Sulfide <0.2 <0.2 mg/L <br />Nitrate <0.10 <0.10 mg/L <br />Nitrite <0.01 <0.01 mg/L <br />Chloride 2.46 1.88 mg/L <br />Sulfate 11.52 5.35 mg/L <br />Hardness 47.85 49.17 mg/L <br />Calcium 15.19 15.65 mg/L <br />Magnesium 2.41 2.45 mg/L <br />TDS 79 93 mg/L <br />Boron 0.51 0.48 mg/L <br />Arsenic 0.0028 0.0034 mg/L <br />Cadmium 0.002 0.003 mg/L <br />Copper <0.01 <0.01 mg/L <br />Chromium III <0.01 <0.01 mg/L <br />Chromium VI <0.02 <0.02 mg/L <br />Lead <0.01 <0.01 mg/L <br />Mercury 0.000051 0.000025 mg/L <br />Nickel 0.01 0.04 mg/L <br />Total Iron 0.26 0.22 mg/L <br />Dissolved Iron 0.08 0.08 mg/L <br />Selenium <0.001 <0.001 mg/L <br />Silver 0.001 <0.001 mg/L <br />Zinc 0.014 0.016 mg/L <br />Total Manganese 0.016 0.017 mg/L <br />Dissolved Manganese 0.007 0.006 mg/L <br />Rev 02/17/09 <br />-4-