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i <br /> JJW GEQSCIENCES Inc. <br /> Environmental Consultants i <br /> General Engineering Contractor <br /> CA Lifnr l <br /> 1 I' <br /> 5 April 2010 APF 0 7 2010 <br /> Ms. Lori Duncan <br /> ENVIRONMENT HEALTH <br /> SE <br /> San Joaquin County EHD PERMIT/ RRES <br /> 600 East Main Street <br /> Stockton, CA 95202 <br /> Subject: Monitor well 1 Sparge point Abandonment <br /> Mr. John Cervantes Property <br /> JC Trucking <br /> 1207 S. Aurora Street <br /> Stockton, California <br /> Dear Ms. Duncan: <br /> Please fine enclosed the permit applications and fees for abandoning the monitor wells and j <br /> sparge points at the above referenced property. Two applications are included, one for the 1 <br /> subject property, and one for monitor well MW-6 which I is in Ijthe City of Stockton public <br /> right-of-way. An application for an encroachment permit has been applied for from the City of <br /> Stockton, and is expected shortly. <br /> Woodward Drilling Co. has been scheduled for five days'I starting Monday, April 19 for the <br /> abandonment. Six monitor wells, MW-1, MW-2, MW-5, MW-7A,i MW-8, and MW-11, will be <br /> overdrilled with an eight-inch auger, or bit, to the depth of the well; and tremie grouted from the s <br /> bottom to the surface. The remaining five monitor wells, MW-4;1 MW-6, MW-9, MW-10, and <br /> MW-12, which are non-detect for all analyzed compounds, artid the`twenty sparge points, will be <br /> pressure grouted. All pressure grouting locations will be overdrilled with an eight-inch auger, or <br /> bit, to a depth of three feet, with a cement grout cap placed ink the bottom of the hole and <br /> backfilled to the surface with native material. <br /> If you should have any questions please feel free to call the undersigned at 916.853.8025. <br /> Respectfully, <br /> F f <br /> i JJW GEOSCIENCES INC. <br /> �7 <br /> Mark Jerpbak, P.G. <br /> t <br /> ii <br /> r <br /> 11350 Monier Park Place, Rancho Cordova, CA 95742 TeL 916.853.8025 Fax: 916.853.8029 <br />