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0 <br /> GEWEKE LAND DEVELOPMENT <br /> AND MARKETING <br /> P . 0 . BOX 1210 <br /> LODI , CA 95241 ( 209) 334-6500 <br /> February 13 , 1991 <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road, Suite A <br /> Sacramento, California 95827-3098 <br /> Attention: James P . Maughan 1119 <br /> _ <br /> Subject : Work PlanL'�,�,`�' <br /> Groundwater Characterization and <br /> Remediation Program <br /> 16 South Cherokee Lane <br /> Lodi , California <br /> Dear Mr. Maughan: <br /> Enclosed is a copy of the above referenced work plan <br /> prepared by PES Environmental, inc . (PES) on behalf of Geweke <br /> Land Development and Marketing (GLDM) . This work plan has <br /> been prepared and Submitted in accordance with your January <br /> 15 , 1991 letter to GLDM. <br /> As detailed in the enclosed work plan, five tasks are <br /> proposed to further assess the lateral extent of petroleum <br /> hydrocarbon-affected groundwater and to provide information <br /> necessary for selecting and designing a groundwater <br /> remediation system. These tasks are : ( 1) collect, tabulate <br /> and reveiw existing data, ( 2) obtain permits and access <br /> agreements and prepare necessary plans , (3 ) install four <br /> additional monitoring wells and one groundwater extraction <br /> well, collect and analyze soil and groundwater samples and <br /> perform an aquifer test on the extraction well, (4) eva%Aluate <br /> groundwater remediation alternatives and (5) interpret data, <br /> preliminarily design interim groundwater remediation ystem, <br /> and prepare report. I believe that this is a prudent <br /> approach to assessing the nature of the groundwater <br /> contamination and to designing an interim groundwater <br /> remediation system. <br /> Within eighteen. weeks of receiving your approval to proceed <br /> with the proposed tasks and barring any unforeseen delays , a <br /> report will be submitted to you summarizing the results of <br /> the field investigation and proposing an interim groundwater <br /> remediation system. <br />