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1 <br /> Quarterly Report - First Quarter 2001 <br /> National Freight <br /> 2850 Loomis Road, Stockton., California <br />' 10. INTRODUCTION <br />' In accordance with the request of Mr Daniel Folcher of Vineland Construction Co , Advanced <br /> GeoEnvironmental, Inc (AGE) has prepared this report of environmental activities conducted at <br /> 2850 Loomis Road (the site), Stockton, California The scope of work this quarter included <br /> monitoring and sampling the three ground water monitoring wells on the site This report documents <br /> the procedures and results for the monitoring event The location of the site and its surroundings are <br />' illustrated on Figure 1, mayor features on the site and monitoring wells are illustrated on Figure 2 <br /> This investigation was performed in accordance with the guidelines of the Central Valley Regional <br />' Water Quality Control Board (CVRWQCB) and the San Joaquin County Public Health Services - <br /> Environmental Health Division(PHS-EHD)for the investigation of underground storage tank(UST) <br /> sites and sampling of ground water monitoring wells <br /> 2.0 PROCEDURES <br /> Groundwater and sampling procedures were performed in accordance with the AGE prepared,PHS- <br /> EHD approved Monitoring Well Installation Work Plan, dated 09 June 2000 The work was <br />' performedto-monitor dissolved petrole-amhydrocarbon concentrations andothertarget contaminants <br /> in ground water and to characterize ground water flow direction and gradient on the site <br /> 2 1 MONITORING WELL PURGE PROCEDURES <br />' On 15 March 2001, a Solinst water level meter was used to measure the depth to ground water from <br /> the well casing tops in wells MW-1 through MW-3 The depths to ground water are summarized in <br />' Table 1 <br /> After water levels were gauged, a disposable plastic bailer was used to purge each monitoring well <br />' of a minimum of three well casing-water volumes (approximately 9 to 10 gallons) of ground water <br /> Temperature, pH, and conductivity were measured at approximately two-gallon intervals using a <br /> Hydac Water Analyzer The field data sheets are included in Appendix A Purged water was stored <br />' on site in 55-gallon drums <br /> Advanced GeoEnvironmenta6nc <br />