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1 <br /> Quarterly Report - Fourth Quarter 2000 <br /> National Freight <br /> 2850 Loomis Road, Stockton, California <br />' 1.0 INTRODUCTION <br />' In accordance with the request of Mr Daniel Folcher of Vineland Construction Co , Advanced <br /> GeoEnvironmental, Inc (AGE)has preparedthis report for 2850 Loomis Road(the site), Stockton, <br />' California The scope of work included monitoring and sampling the three ground water monitoring <br /> wells on the site This report documents procedures and results for the monitoring event The <br /> location of the site and its surroundings are illustrated on Figure 1, major features on the site and <br /> ' monitoring wells are illustrated on Figure 2 <br /> This investigation was performed in accordance with the guidelines of the San Joaquin County <br /> ' Public Health Services - Environmental Health Division (PHS-EHD) and of the Central Valley <br /> Regional Water Quality Control Board(CVRWQCB) for the investigation of underground storage <br /> tank (UST) sites <br /> 2.0 PROCEDURES <br /> The objective of the work was to monitor dissolved petroleum hydrocarbon concentrations, and the <br /> concentrations of other specified chemicals, in ground water and characterize ground water flow <br /> ' direction and gradient on the site <br /> ' 2 1 MONITORING WELL PURGE PROCEDURES <br /> On 29 November 2000, a Solmst water level meter was used to measure the depth to ground water <br /> ' from the well casing tops in wells MW-1 through MW-3 The depths to ground water are <br /> summarized in Table 1 <br /> ' Amer 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 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 GeoEnvirontuentai,Inc <br /> i1 <br />