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Quarterly Report - Third Quarter 2000 <br /> • Former Fisco Warehouse (Howard Lenz Property) <br /> 1648 Shaw Road, Stockton, California <br /> I1.0. INTRODUCTION <br /> At the request of Mr Peter Lenz of Innovative Beverage Brokers,Advanced GeoEnvironmental,Inc <br /> I (AGE) has prepared this quarterly report for the property located at 1648 Shaw Road, Stockton, <br /> California The site and the surrounding area are Illustrated in Figure 1 Structures, boring and well <br /> locations are Illustrated on Figure 2 <br /> The quarterly report is prepared in accordance with San Joaquin County Public Health Services - <br /> Environmental Health Division (PHS-EHD) and Central Valley Regional Water Quality Control <br /> Board (CVRWQCB) guidelines for the investigation of underground storage tank (UST) sites <br /> Background information is summarized in the Preliminary Site Investigation Report, dated 30 <br /> December 1997 and prepared by AGE <br /> 2 0. PROCEDURES <br /> Quarterly ground water monitoring was performed on 25 July 2000 Field work was performed in <br /> accordance with PHS-EHD and CVRWQCB guidelines for the investigation of UST sites <br />' 2 1 MONITORING WELL PURGE PROCEDURES <br /> On 25 July 2000, a Solinst water level meter was used to measure the depth to ground water in the <br />' three wells relative to the tops of the well casings The ground water elevations and gradient were <br /> determined from these data (Table 2) <br />' After recording water level measurements, a two-stage submersible pump was used to purge each <br /> monitoring well of standing water Approximately 6 gallons of water were removed from each well <br />' (approximately 3 well casing volumes) Ground water temperature, pH and conductivity were <br /> measured at regular intervals during purging using a Hydac water analyzer Field sheets and data are <br /> included in Appendix A Purged water was stored on-site in labeled, 55-gallon DOT-approved <br />' drums <br /> I22 COLLECTION OF GROUND WATER SAMPLES <br /> Water samples were collected from each purged well using new disposable plastic bailers Each <br /> Iwater sample was transferred into 40-m1 VOA vials containing 0 5 ml 18% hydrochloric acid as a <br /> . sample preservative and into one-liter amber bottles without added preservative After collection, <br /> Advanced GeoEnvironmental,Inc <br />