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<br /> <br />Salt Creek AHR <br /> <br />1983 Average <br />3.27 <br />1.8 <br />0.16 <br />8.49 <br />z <br />1984 Average <br />20.41 <br />8.3 <br />0.17 <br />December 3, 1985 <br />1985 Average <br />1.63 <br />5.72 <br />0.35 <br />8.39 8.37 <br />TDS (mg/1) - - 1668 <br />Conductivity (u mhos/cn) 1436 1525 2450 <br />Flow (gal/min) <br />TSS (mg/1) <br />Iron (mg/1) <br />pH (su) <br />Both iron and pH remain fairly constant over time, while conductivity <br />increases as "older" water is introduced to the mine. <br />Table 2. compares the water quality of McClane Canyon Mine and the Roadside <br />Mine. The Roadside Mine also induces Mesaverde groundwater inflows, although <br />the Roadside Mine induces flow from deeper in the formation (longer flow <br />system), comparing values in the table indicates that the water quality data <br />from McClane Canyon is similar. <br />Table 2. -- Discharge and Quality Comparison, McClane Canyon Mine and Roadside <br />Mine, from 1984 Data. <br />MCCLANE CANYON MINE ROADSIDE MINE <br />AVERAGE AVERAGE <br />Flow (gal/min) 1.63 20.3 <br />TSS (mg/1) 5.12 20.0 <br />Iron (mg/1) 0.35 0.31 <br />pH (s.u.) 8.37 8.48 <br />Oil and Grease (visual) 0 Not Reported <br />TDS (mg/1) 1,668 2,753.5 <br />Conductivity (umhos/cm) 2,450 3,150 <br />Munger Canyon Mine <br />No inflows to the Munger Canyon Mine were reported. The mine imported a total <br />of 30,000 gallons from the McClane Canyon Mine. The quality of this water is <br />identical to that reported in Table 1. <br />