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I ' <br /> • Quarterly Report January 2000 <br /> 'CHARLIE'S DAY AND NITE <br /> 706 North El Dorado Street, Stockton, California <br />' 1.0., INTRODUCTION <br /> At the request of Mr Charles Skobrak of Charlie's Day-and Nite,Advanced GeoEnvironmental,,Inc - <br />' (AGE) has prepared this quarterly report for the property located at 706 North El Dorado Street, <br /> Stockton, California Quarterly ground water monitoring was conducted on 17 January 2000 The <br />' site and the surrounding area are illustrated in Figure 1- Location Map Structures, boring and <br /> monitoring well locations are illustrated on Figure 2 - Site Plan Background information is <br /> summarized in the Prehminary Investigation and Evaluation Report - March 1999, prepared by <br />' AGE <br /> + <br />' 2.0. PROCEDURES <br /> Field work was performed in accordance with San Joaquin County Public Health Services <br />' r 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 /> 2 1 MONITORING WELL PURGE PROCEDURES <br /> On 17 January 2000, a Solinst water level meter was used to measure the depth to ground water in <br /> the three wells relative to the tops of the well casings The relative ground water elevations and <br /> gradient were determined from these data(Table I)- <br /> After recording water level measurements, a two-stage submersible pump was used to purge each <br /> monitoring well of standing water Approximately 8 gallons of water (a minimum of 3 well-casing <br />' volumes) was removed from each well Ground water temperature, pH and conductivity were <br /> measured at two-gallon intervals'dunng,purging using a Hydac water analyzer Field sheets and data <br /> are included in Appendix A Purged water was stored at 121 West Park Street in labeled, 55-gallon <br /> DOT-approved drums <br /> 22 COLLECTION OF GROUND,WATER SAMPLES <br /> I , <br /> Water samples were collected from each purged well using new disposable plastic bailers Each <br /> 1 water sample was transferred into 40-m1 VOA vials containing 0 5 ml 18% hydrochloric acid as a <br /> sample preservative ,After collection, the samples were properly labeled, placed in a chilled <br />' container and transported under cham-of-custody to Alpha Analytical Laboratories, Inc , and were <br /> • analyzed for <br /> r Advanced GeoEnvironmenta[,Inc <br /> I i <br /> I <br /> Y <br />