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GROUND WATER MONITORING <br />Quarterly water samples were collected at monitoring wells AA-1 and AA-3 using <br />a hand bailer. The results of groundwater data collected during 2007 and pertinent <br />water quality parameters are found below. Depth to water is measured from the top of <br />the steel casing on AA-1 and top of the 2-inch PVC pipe for AA-3. The location of the <br />alluvial wells can be found on map, "Figure 11 ", in Appendix A. Graphs and well <br />completion diagrams are presented in Appendix B. <br />Monitoring Well AA-1: <br />Quarter Date pH <br />Su Temp °C Depth <br />feet Cond. <br />umhos/cm Oil or <br />Grease <br />1 S 2/27/07 7.8 6.5 11.66 2300 No <br />2" 5/21 /07 7.5 13.6 11.64 2300 No <br /> 6/6/07 7.6 13.5 12.13 2400 No <br />3~ 8/7/07 7.7 17.9 13.01 3100 No <br />4 11 /05/07 7.2 13.3 12.73 3100 No <br /> 11 /26/07 7.4 8.0 13.55 2900 No <br />• <br />• <br />Monitoring Well AA-3: <br />Quarter Date pH <br />Su Temp °C <br />~ Depth <br />feet Cond. <br />umhos/cm Oil or <br />Grease <br />1 S 2/27/07 7.9 5.7 8.79 1540 No <br />2" 5/21/07 7.6 10.1 6.16 570 NO <br /> 6/6/07 7.5 10.5 6.56 650 No <br />3~ 8/7/07 7.2 15.9 8.29 1020 NO <br />4 11/05/07 7.4 14.1 8.62 1630 No <br /> 11 /26/07 7.9 12.0 7.99 1510 No <br />Findings: <br />A sample for a full suite analysis was obtained from both wells during June. <br />AA-1 The field parameters for this well are within well water range, but since it is a new <br />well, there is not historical data to compare. <br />AA-3 The field parameters for this well are similar to historic averages. <br />-2- <br />