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N - <br /> V <br /> Site Assessment Work Plan <br /> QUICK N SAVE #1 <br /> r 1901 South EI Dorado Street, Stockton , California <br /> �l <br /> 1 .0 . INTRODUCTION <br /> J At the request of Mr. Mohamad Matar, Advanced GeoEnvironmental , Inc. (AGE) has <br /> prepared this Additional Site Assessment Work Plan for 1901 South EI Dorado Street, <br /> Stockton , California (site) . The work plan was prepared as required by the San Joaquin <br /> County Environmental Health Department (SJCEHD) letter dated 24 April 2014 , to <br /> continue delineation of the lateral extent of petroleum hydrocarbon-impact to <br /> groundwater at the site , specifically downgradient of site monitoring well MW-5 . A copy <br /> of the SJCEHD directive letter is included in Appendix A�Site background information is <br /> included in Appendix B . The location of the site is illustrated on Figure 1 ; "a plan of the <br /> site is illustrated on Figure 2 . Figures showing the most recent groundwater flow <br /> directions and lateral extent of hydrocarbon impact to groundwater at the site are <br /> j` included as Figures 3 through 7 . <br /> _ l This work plan provides a description of the scope of work and procedures to be used <br /> i for Cone Penetrometer Testing (CPT) soil boring advancement, groundwater sample <br /> collection and analysis , and boring abandonment. The plan was prepared in accordance <br /> with the CVRWQCB guidelines for the investigation of underground storage tank ( UST) <br /> sites . <br /> 2 .0 . SCOPE OF WORK <br /> Based on analytical data from monitoring well MW-5 , the lateral and vertical down- <br /> gradient extent of the hydrocarbon-impacted groundwater is not defined generally off- <br /> site and east of the UST area . The SJCEHD has required that additional groundwater <br /> - investigation be performed to define and confirm the lateral extent of the dissolved <br /> petroleum hydrocarbon contamination east of MW-5 . The proposed scope of work will <br /> include the following tasks : <br /> 1 Permitting and pre-field work activities ; <br /> • CPT soil boring advancement and sample collection ; and <br /> • Report preparation . <br /> JEach of these tasks is described in greater detail below. <br /> I, <br /> J <br /> l Advanced GeoEnvironmental Inc. <br /> t_1 <br />