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9.0 REMEDIATION ACTIVITIES <br /> Installation of an automatic recovery system(ARS) for use in ground water remediation was <br /> initiated in March 1992 The system is scheduled to begin operation in April 1992 The <br /> carbon treatment design parameters are described in the Alton Geoscience Work Plan <br /> (April 5, 1991) <br /> Two 4-inch-diameter monitoring wells (MW-5 and AMW-6) and a 2-inch-diameter <br /> monitoring well (MW-3) have been tied into the ARS for use in ground water remediation. <br /> Initial pumping will commence using MW-5 <br /> ALTON GEOSCIENCE <br /> Gerald H Nieder-Westerman <br /> Geologist <br /> Stephan Rosen <br /> . Senor Geologist <br /> Peter ge, 5089 <br /> Associate, Northern California Operations <br /> 8 <br />