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h <br />' Quarterly Report - Second and Third Quarter 2000 <br /> LODI AIRPORT <br />' 23987 North Highway 99, Acampo, California <br />' 1 0. INTRODUCTION <br /> In accordance with the request of Mr Robert Kupka of Lodi Airport,Advanced GeoEnvironmental, <br />' Inc (AGE) has prepared this quarterly report for the property located at 23987 North Highway 99, <br /> Acampo,California(site) The scope of work included installation of three ground water monitoring <br /> wells, quarterly ground water monitonng and preparation of this report The location of the site and <br />' the immediately surrounding area are illustrated on Figure 1, structures, former UST locations, and <br /> soil boring and monitoring well locations are illustrated on,Figure 2 Background information is <br /> summarized in the Prehminary Site Assessment Work Plan dated 23 February 2000 and <br />' Underground Storage Tank Removal Report dated 11 January 2000, both prepared by AGE <br />' 2.0. BACKGROUND <br /> The site is at 23987 North Highway 99,Acampo,California,southwest ofJahant Road and Highway <br /> 99 Frontage (Figure 1) The site is located near the northern end of the Lodi Airport property <br /> On 23 February 2000, at the request of Mr Robert Kupka, AGE-performed a preliminary site <br /> assessment to investigate a suspected unauthorized release of petroleum hydrocarbons to soil and <br /> ground water at the site The laboratory results of analyses of samples confirmed the presence of a <br />' petroleum hydrocarbon-impact to soil and ground water in the former UST area The PHS-EHD <br /> subsequently required an investigation to determine the extent of petroleum hydrocarbon-impact to <br /> soil and ground water <br /> 3.0. PROCEDURES <br /> Three ground water monitoring wells were installed on 21 and 22 June 2000 Quarterly ground water <br /> monitoring was performed on 05 July 2000 Field work was performed in accordance with the San <br /> Joaquin County Public Health Services - Environmental Health Division and Central Valley <br /> Regional Water Quality Control Board (CVRWQCB) guidelines for the investigation of <br /> r underground storage tank (UST) sites <br /> I <br /> 3 1 ADVANCEMENT OF SOIL BORINGS s <br /> On 21 and 22 June 2000,four soil borings (B-1 through B-4)were advanced at the site using a CME- <br /> 75 (H T ) drill ng All four borings were advanced to a depth of 85 feet below surface grade (bsg) <br /> Ile <br /> using 8-inch diameter hollow-stem augers The drill rig and two-man crew were supplied by Mitchell <br /> Drilling Environmental Corp of Sacramento, California Auger returns generated by drilling were <br /> Iplaced on plastic sheeting and stored on site pending laboratory analysis <br /> IAdvanced GeoEnvironmental,Inc <br />