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4 <br /> f <br /> i California Algional Water Quality Co of Board <br /> Central Valley Region <br /> Katherine Hart, Chair <br /> 11020 Sun Center Drive,#200,Rancho Cordova,California 95670-6114 <br /> Linda S.Adams (916)464-3291 • FAX(916)464-4645 Edmund G.Brown Jr. <br /> Acting Secretary for http://www.waterboards.ca.gov/centralvalley Governor <br /> Environmental Protection <br /> 20 April 2011 EV st:Lj <br /> APR 2 2 2011 <br /> Mr. Kevin Basso EWRONMENTAL HEALTff <br /> General Manager PERMIT/SEFMCES <br /> Allied Waste <br /> 1145 West Charter Way <br /> Stockton, CA 95206 <br /> APPROVAL OF WORK PLAN FOR MONITORING WELL INSTALLATIONS AND <br /> ABANDONMENTS, FORWARD INC, SAN JOAQUIN COUNTY <br /> On 11 March 2011, Forward, Inc. (hereafter Discharger) submitted a Work Plan for Monitoring <br /> Well Installations and Abandonments to relocate monitoring wells AMW- 23, AMW-23S, <br /> AMW-24, AMW24S and AMW-26 that are currently installed within the footprint of the planned <br /> California Health Care Facility. These wells were originally installed as part of the ongoing <br /> evaluation monitoring program that is required under Cleanup and Abatement Order <br /> R5-2008-0714. To accommodate the construction schedule, all five wells must be <br /> decommissioned prior to construction activities. The Discharger has proposed new locations <br /> and completion depths for these wells. Only three of the five wells will be reinstalled, since the <br /> new locations should be along the edge of the plume, rather than in the middle of the plume. <br /> The work plan states that all wells will be abandoned, logged, installed and developed <br /> following all applicable regulations and under the direct supervision of a California <br /> Professional Geologist. <br /> The work plan is acceptable and is hereby approved. Once the proper permits have been <br /> secured by the Discharger, the field work may proceed. To document the modifications to the <br /> monitoring network, the Discharger shall submit a well abandonment and well installation <br /> report that includes the information listed in the enclosed Requirements for Monitoring Well <br /> Installation Reports. This report is due no later than 30 June 2011. <br /> If you have any questions regarding this review, please contact me at 916-464-4679. <br /> r � <br /> HOWARD HOLD, P.G. <br /> Engineering Geologist <br /> Title 27 Compliance and Enforcement <br /> Enclosure: Requirements for Monitoring Well Installation Reports <br /> California Environmental Protection Agency <br /> cf%Recycled Paper <br />