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Preliminary Site Assessment Work Plan <br /> PLAZA LIQUORS II <br />' 2420 West Turner Road, Lodi, California <br /> 1.0. INTRODUCTION <br /> At the request of Mr Robert McCarty,Advanced GeoEnvironmental, Inc (AGE) has prepared this <br /> Work Plan for Investigation of the Plaza Liquors II site located at 2420 West Turner Road, Lodi, <br /> California (Figure 1) The purpose of the preliminary site assessment is to assess the vertical and <br /> I lateral extent of petroleum hydrocarbon impact to soil encountered during the removal of USTs in <br /> April 1997 This work plan provides the scope of work and procedures for advancement of soil probe <br /> borings, collection of soil and groundwater samples, laboratory analysis of samples, monitoring well <br />' Installation, and soil boring abandonment <br /> This work plan has been prepared as required by the San Joaquin County Public Health Services - <br /> I Environmental Health Division (PHS-EHD) by letter dated 14 January 1999 and was prepared in <br /> accordance with the Regional Water Quality Control Board's Tri-Regional Board Staff <br /> Recommendations for Preliminary Evaluation and Investigation of Underground Tank Sites <br /> Iguidelines for the Investigation of UST sites <br /> 2.0. BACKGROUND <br /> The site is located at 2420 West Turner Road in Lodi, California (Figure 1) The parcel Is located <br />' in the southeast portion of Section 32 of Range 6 East, Township 3 North, Mount Diablo Base and <br /> Meridian (MDB&M) <br /> I <br /> 21 SITE DESCRIPTION <br />' The property is presently occupied by Plaza Liquors 11, which consists of a one-story structure <br /> housing a mini-mart and restaurant, and a gasoline fueling facility The gasoline fueling facility <br />' consists of two 10,000-gallon USTs, one dispenser island with two gas dispensers, and a canopy <br /> 2 2 UNDERGROUND STORAGE TANK REMOVAL <br />' On 23 April 1997, three 10,000-gallon gasoline USTs, and one 10,000-gallon diesel UST were <br /> removed from the site and replaced with new USTs to meet the December 1998 upgrade <br />' requirements Soil samples were collected from beneath each UST, dispenser Island, piping trench, <br /> and from the excavated soil The samples were transported to a DHS-certified laboratory and <br /> analyzed for total petroleum hydrocarbons quantified as gasoline (TPH-g), total petroleum <br />' hydrocarbons quantified as diesel (TPH-d), volatile aromatics (benzene, toluene, ethyl benzene, and <br /> total xylenes BTEX), fuel oxygenating compounds including methyl-tert-butyl ether(MTBE) and <br />' total lead in accordance with the appropriate EPA Methods On 16 May 1999 the excavation was <br /> Advanced GeoEnvironmental,Inc <br /> I <br />