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GROUND WATER MONITORING - <br />Quarterly water samples are collected at monitoring wells AA-1 and AA-3 using a <br />hand bailer. The results of groundwater data collected during 2002 and pertinent water <br />quality parameters are found below. Depth to water is measured from the top of the steel <br />casing on AA-1 and top of the 2-inch PVC pipe for AA-3. The location of the alluvial wells <br />can be found on map, "Figure 11 ", in Appendix A. Graphs and well completion diagrams <br />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 />is` 2/18/02 7.7 9.8 12.24 4400 No <br />2°d 6/17/02 7.4 18.5 13.35 4400 No <br />3`d 8/26/02 7.5 17.0 13.65 5600 No <br />4"' 11/21/02 7.5 12.8 12.42 5000 No <br />Monitoring Well AA-3: <br />Quarter Date pH <br />su Temp °C Depth <br />feet Cond. <br />umhos/cm Oil or <br />Grease <br />1~' 2/18/02 7.5 6.2 8.93 420 No <br />2°d 6117/02 7.5 15.4 8.32 430 No <br />3`d 8/26/02 7.0 15.2 9.26 360 No <br />4`h 11 /21 /02 6.9 10.4 9.02 620 No <br />Findinas: <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 it to. <br />AA-3 The field parameters for this well are similar to historic averages. Not enough water <br />was available in AA-3 to perform full suite analysis for the 4`^ quarter 2002. <br />-2- <br />