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i <br /> KLEItVFELDER <br /> I <br /> I L , <br /> 1 EXECUTIVE SUMMARY <br /> II � <br /> This is a work plan to perform a soil and ground water asisessment investigation for an area <br /> surrounding an excavated 2,000-gallon gasoline tank at 1515 West Weber Street, Stockton, <br /> California. The San Joaquin Local Health District (SJLHD) has requested assessment of <br /> �� i <br /> the vertical and horizontal extent of contamination based on the analytical results of soil <br /> samples collected from an open tank excavation at the site. .R <br /> ll �L <br /> A soil-gas survey is proposed to assess the possibleresence ;hand location of a plume of { <br /> volatile hydrocarbon contaminants t p 1 1 <br /> y ants in the ground water and to guide in the placement of !{� <br /> the soil borings and ground water sampling wells. <br /> The collection of soil samples from radial borings is proposed P g p p to assess the presence of � <br /> petroleum hydrocarbon contamination in the unsaturated soil, and the installation of <br /> i <br /> monitoring wells is proposed to provide an initial assessment: of the ground water. The <br /> SJLHD requires submittal of a work plan prior to issuing a boring permit for drilling or b <br /> monitoring well installation. <br /> c I� If <br /> A copy of this work plan should be sent to the SJLHD and the Regional Water Quality <br /> Control Board for their review and consideration. Once the SJLHD has issued the boring <br /> I� ,I <br />' permit, Kleinfelder will implement the scope of work presented in,this plan. <br /> i h <br /> 1 � I <br /> _ I <br /> j 181-89-719 1 <br />