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511 L <br /> H. KLEINFELDER & ASSOCIATES <br /> 2 BACKGROUND <br /> I <br /> The Guild winery facility is located at One Winemasters, Flay in the City <br /> of Lodi. An on-site 500-gallon underground fuel storage tank was use to <br /> fuel trucks and other vehicles during business operations. Use of the <br /> � # tank was discontinued and the tank excavated in 1985. J.H. Kleinfelder <br /> t leries <br /> and Associates (JHKL .) was contracted by Guild Wineries and Distil <br /> t' to conduct investigations to assess the presence of petroleum hydrocarbons <br /> in the soil and ground water beneath the tank excavation area adjacent to <br /> the maintenance shop. The findings of the previous investigations are <br /> presented in three JHK&A reports: "Sail and Ground Water Assessment <br /> Report' dated December 16, 1985; ,Soil Assessment Report" dated March 18, <br /> 1986; and ,Soil and Ground Water Assessment Report, <br /> Second Phase" dated <br /> f_x, <br /> January 14, 1987. <br /> Results of the initial investigation indicated that petroleum hydrocarbons <br /> were present in the soil and ground water beneath the tank excavation <br /> feet and a depth o£ <br /> area. To date, an area of an approximate radius of 40 <br /> 10 to 25 feet has been defined as the limits of detectable concentrations <br /> of petroleum hydrocarbons in the unsaturated soil. The hydrocarbon plume <br /> t'te ground water have been <br /> boundaries and direction of migration in <br /> estimated in the area of the tank excavation, north of the main building. <br /> The extent that hydrocarbon plume has mi=,rated in the ground water <br /> t east ha: not been ascertained at <br /> beneath the main building and to the south <br /> this time. <br /> The objective of this work dlan and the eventual ground water remediation <br /> t program is to recover the central portion of the hydrocarbon plume and <br /> effectively remove the majority of hydrocarbon_ constituents from the <br /> �. <br /> underlying ground water. The removal of petroleum hydrocarbons from the <br /> -- ---- - -- -- - ---------- plan,--and-is-addressed. .... -- - — — - <br /> e,,, unsaturated soil will not be xnclued in <br /> this-work- <br /> in a separate JHK&A report titled "vapor Extraction System Report" dated <br /> February 2, 1987. <br /> 4� 3 <br /> 33--87-887 <br />