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• 4.3.3 Monitoring Wells <br />No new monitoring wells were drilled or completed in 2001. Pressure transducers were <br />replaced in monitoring wells 90-2 and DS-2 in July of 2001. EX-2, 4A-iV, and 93-2M, are <br />all equipped with pressure transducers that have continuous water levels (WL) readouts <br />in the control room. Production welt 90-5 was plugged and abandoned, and is no longer <br />utilized for WL monitoring. In addition there are fourteen wells equipped with pressure <br />transducers, each record WL continuously and the readouts are reported monthly. Water <br />quality data is collected from sixteen wells. Fifteen are dedicated to monitoring and one is <br />also used as raw water well. Water quality cleanup work for IRIS was completed and was <br />successful in 2001. <br />• 4.3.4 Geotechnical Program <br />A long term, fime{iomain-reflectometry monitoring program associated with well 4A-5M <br />showed no indication of subsidence in 2001. There has been no indication of subsidence <br />from this well since installation. SurFace movements were surveyed and no detectable <br />subsidence was noted. No major drilling program is planned which will significantly advance <br />the geotechnical program in 2002. <br />C~ <br />21 <br />