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little following recompletion with an initial conductivity of 42,400 in August of 1997 and <br />November, 1998 reading of 42,300 umhos/cm. Many parameters analyzed for DS-2 <br />indicate higher than normal Dissolution Surface WO, i.e. TDS, bicarbonate and fluoride. <br />This may be a result of completion activity, or less likely mining activity. See Tables 6-14 <br />and 6-15 for summary of WC! for DS-2 and BG-1. <br />Water level data collected is similar to other wells completed in these aquifers. An attempt <br />to drill horizontal production well 2B-5HR in November, 1997 resulted in WL effects. i.e. <br />dewatering the B-Groove and addition to Dissolution Surface. See Figures 6-11 for plot of <br />WL for DS-2 and BG-1. The following data summarizes potentiometric WL data <br />• After Drilling <br /> Completion Effects <br />Well A uifer 10/1/97 10/2/97 11/20/97 12/16/97 12/1/98 <br />BG-1 B-Groove 484' 483' 489' 489' (-12) 496' <br />DS-2 Dissolution 521' 521' 506' 509' (-9) 530' <br />Surface <br />Summary of Potentiometric Levels and Regional Effects <br />No WRN mining (including water well pumpage) effects were noted in the shallow aquifer <br />(Perched) at any of the monitoring locations. Only recompletion effects or extremes in <br />precipitation were noted. The down-dip and maxi pad wells indicated an upward trend from <br />1996 - 1998 and the up-dip well trended downward. <br /> <br />71 <br />