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STATE OF CALIFORNIA i PETE WILSON, Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD— <br /> CENTRAL VALLEY REGION ` \ <br /> 3443 ROUTIER ROAD. SUITE A n v Ps <br /> SACRAMENTO. CA 95827-3096 <br /> PHONE'. (916) 361-5600 '�°r'�p ' IVA <br /> FAX: (916) 361-5666 $� '- L 4 September 1992 <br /> SEP 1 1 1992 <br /> Mr.Harry Mossberger ENVIRONMENTAL HEALTH <br /> I��i11V!Ity€+GRvIRF.�i <br /> Kearney-KPF <br /> 1624 E. Alpine Avenue <br /> Stockton, CA 95208 <br /> DISPOSAL OF GROUND WATER GENERATED BY AQUIFER TESTING AT KEARNEY-KPF IN <br /> STOCKTON, SAN JOAQUIN COUNTY <br /> I have reviewed the 31 August 1992 letter from Peter Quinlan of Dudek and <br /> Associates, requesting approval and/or comments on a proposal to discharge <br /> ground water generated by aquifer testing in wells KI-11 and KI-14 to the <br /> ground and to treat the discharge from wells KI-5, KI-12, PX-1 , and SPW by the <br /> liquid phase carbon absorption units of the initial interim ground water <br /> treatment system at the Kearney-KPF facility in Stockton. <br /> Because no volatile organic compounds (VOCs) have been detected in ground <br /> water samples from monitoring wells KI-11 and KI-14, it is not a threat to <br /> ground water quality to discharge water from these wells to the ground. <br /> Considering the low VOC concentrations in wells KI-5, KI-12, SPW, and PX-1, <br /> treating the discharge from these four wells in the initial interim ground <br /> water treatment system, with a 99.95% removal efficiency, should result in <br /> effluent which meets the requirements of Waste Discharge Requirements Order <br /> No. 91-220. <br /> The disposal of ground water generated by aquifer testing as proposed is <br /> acceptable. However, if the air stripper system is operational by the time <br /> any of the aquifer testing is conducted in wells KI-5, KI-12, SPW, and PX-1, <br /> then the ground water generated from these wells shall be treated in the air <br /> stripper system. <br /> If you have any questions, please call me at (916) 361-5649. <br /> L, ,� <br /> �pY POLLY LOW Y <br /> Associate Engineering Geologist <br /> PAL: Idj <br /> cc: Mr. Douglas O'Neal , Toxic Substances Control Division, Sacramento <br /> Ms. Diane Hinson, Sna Joaquin County Department of Public Health <br /> Services, Stockton <br /> Mr. Derrick Peterson, Bryan, Cave, McPheeters, and McRoberts, <br /> Washington, D.C. <br /> Mr. Jerry Zilinskas, Kearney, New York <br /> Mr. Peter Quinlan, Dudek and Associates, Encinitas <br />