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W IN ZLER�KELLY <br /> C O N 5 U L T I N G E N G I N E E R S <br /> FED)[E P <br /> f� <br /> ' APR 9 6 2065 Ref 03-300908-030 <br /> M 4, 2005 E! VIFI'ONN ?,-NT HEALTH <br /> Mr A K Jain PERrflT/SERVILES <br /> State of California Department of General Services <br /> ' <br /> 7073 d Street, Suite 4-430 <br /> West Sacramento, CA 95605 <br /> Re- Quarterly Groundwater Monitoring Report—First Quarter 2005, California Highway <br /> Patrol Facility,385 West Grant Line Road, Tracy, California, Site Code- 1904 <br /> Dear Mr Ueda <br /> This report summarizes the results of Winzler & Kelly Consulting Engineers' (Winzler & KeIly's) <br /> first quarter 2005 groundwater monitoring and sampling activities performed on January 13, 2005, <br /> at the California Highway Patrol facility (site) located at 385 West Grant Line Road, Tracy, <br /> California (Figures 1 and 2) <br /> GROUNDWATER MONITORING AND SAMPLING ACTIVITIES <br /> The Site-Specific Sampling Procedures, provided in Appendix A, describe in detail all of the <br /> monitoring and sampling activities that were performed at the site on January 13, 2005 A brief <br /> summary of these activities is provided below <br /> Personnel Present: Winzler& Kelly's Environmental Engineer, Pon Xayasaeng, <br /> performed all the groundwater monitoring and sampling activities <br /> Depth-to-Water An electronic water level meter was used to measure the depth-to- <br /> groundwater in each monitoring well after allowing the groundwater <br /> in each well to equilibrate to atmospheric pressure <br /> ' Purging: An electronic 12-volt submersible pump was used to purge each of <br /> the monitoring wells sampled until the indicator parameters of pH, <br /> conductivity, and temperature had stabilized or until the well <br /> dewatered <br /> Monitoring Well <br /> ' <br /> Sampling- New disposable bailers were used to collect and transfer the <br /> groundwater samples from each of the monitoring wells (MW-1 <br /> through MW-4) into appropriate, laboratory-supplied, certified clean <br /> sample containers <br /> 495 Tesconi Circle,Santa Rosa,CA 95401 4696 <br /> tel 707 523 1010 fax 707 527 8679 <br /> www w and k com <br />