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Soil Sampling Workplan <br /> Former Manufactured Gas Plant—Lodi,California <br /> 1.0 INTRODUCTION <br /> This Soil Sampling Workplan (Workplan) was prepared by Terra Pacific Group (TPG) on behalf of <br /> Pacific Gas and Electric Company (PG&E) for the former Lodi manufactured gas plant (MGP) site <br /> (Site),located at 712 South Sacramento Street in Lodi, California (Figure 1). The Site consists of an <br /> approximately 0.73-acre parcel that historically contained former MGP infrastructure (Figure 2). <br /> The Site is currently vacant and unoccupied. This Workplan has been prepared pursuant to the <br /> Voluntary Cleanup Agreement (VCA) (Docket No. HSA-VCA 06/07-130) executed between <br /> PG&E and the California Environmental Protection Agency (Cal/EPA) Department of Toxic <br /> Substances Control (DTSC) in October of 2007. <br /> The primary purpose of the proposed sampling activities outlined in this Workplan is to obtain <br /> additional soil data to facilitate the design, planning and permitting of the final Site remedy. The <br /> nature and extent of impacts to soil, soil gas, and groundwater at the Site were characterized during <br /> the remedial investigation (RI),as presented in the DTSC-approved RI Completion Report (Stantec, <br /> 2010a) and the Revised Remedial Refinement Investigation Report (Stantec, 2011a). Based on the <br /> known characterization of impacts at the Site, a remediation plan for the Site was presented in the <br /> Draft Final Human Health Risk Assessment/Feasibility Study/Removal Action Workplan (Draft <br /> RAW) (Stantec, 2011b). The proposed soil sampling activities will be conducted in general <br /> accordance with procedures presented in this Workplan. <br /> TERRA PACIFIC GROUP Page 5 October 19, 2012 <br />