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Table 3: Water Quality Parameters of the North Fork of the <br />Gunnison River at Somerset, Colorado. <br /> N. FORK N. FORK N. FORK N. FORK <br /> GUNNISON GUNNISON GUNNISON GUNNISON <br />MONITORING SITE ABOYE MINE BELOW MINE ABOVE MINE BELOW MINE <br />Date of Collection 10/09/84 10/09/84 02/07/85 02/07/85 <br />FIELD PARAMETERS (1) <br />Conductivity <br />(umhos/cm @ 25(C)) 941 740 1333 804 <br />Discharge (cfs) - - - - <br />Dissolved Oxygen 10.3 10.3 14.1 12.7 <br />pH (Units) 8.4 8.3 6.4 6.5 <br />Turbidity 018 021 060 059 <br />Water Temperature (C) 9.0 9.4 0.5 0.5 <br />LABORATORY PARAMETERS (1) <br />Bicarbonate (CaCo3) 96 94 97 101 <br />Boron 0.07 0.02 0.05 0.05 <br />Calcium 28 27 29 30 <br />Carbonate 3 3 0 0 <br />Chloride 1 7 2 2 <br />Copper -0.02 -0.02 -0.02 -0.02 <br />Fluoride 0.13 0.12 0.04 0.09 <br />Iron (Total) 0.30 0.33 0.18 0.17 <br />Lead -0.02 -0.02 -0.02 -0,02 <br />Magnesium 5 5 5 5 <br />Manganese (Total) 0.06 0.06 0.02 0.02 <br />Molybdenum -0,2 -0.2 -0.2 -0,2 <br />Nitrate-Nitrite ~ -0.02 -0.02 -0.05 -0.05 <br />Phosphorus (Ortho) -0.02 -0.02 -0.02 -0.02 <br />Potassium 1.1 1.0 0.7 0.8 <br />SAR 0.42 0.42 0.46 0.45 <br />Selenium -0.002 -0.002 -0.002 -0.002 <br />Sodium 9 9 10 10 <br />Solids, Total Dissolved 725 I20 ]3D Il5 <br />Solids, Total Suspended 16 10 4 4 <br />Sulfate 10 10 10 14 <br />Turbidity 10.9 9.6 0.6 0.5 <br />1 All measurements are in milligrams per liter (mg/1) unless otherwise <br />noted. A minus sign indicates concentrations below analytical detection <br />limits. <br />26C <br />