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6 E RYA N INC.' . <br /> June 3, ,2002 <br /> Mr. Robert Cochran <br /> G-R Job#386582 t <br /> Chevron Products Company <br /> P.O. Box 6004 <br /> San Ramon, CA 94583 <br /> RE: Second Quarter Event of May 6, 2002 <br /> Groundwater Monitoring& Sampling Report a, <br /> Chevron Service Station#9-1452 <br /> 334 East Main Street ' <br /> Ripon, California <br /> Dear Mr. Cochran: <br /> r <br /> This report documents the well development and the most recent groundwater monitoring and sampling event <br />! performed by Gettler-Ryan Inc. (G-R) at the referenced site. All field work was conducted.in accordance with <br /> G-R Standard Operating Procedure - Groundwater Sampling(attached).. <br /> Static groundwater levels were measured and the wells were checked for the presence of separate-pb6se <br /> i hydrocarbons. Static water level data, groundwater elevations, and separate-phase hydrocarbon thickness (if <br /> any)are presented in the attached Table I. A Potentiometric Map is included as Figure 1- <br /> Groundwater samples we're collected from the monitoring.wells and submitted to a state certified laborato R'I for <br /> rya <br /> analyses. The field data sheets for this event are attached. Analytical results are presented;in the table(s) listed <br /> below. A Concentration Map is included as Figure 2. The chain of custody document and laboratory analytical i <br /> f - <br /> report.are also attached. ` <br /> Please call if you have any questions or comments regarding this report. Thank you. <br /> i <br /> Si rely, <br /> RED GEQ <br /> E Deannal. Harding �J�,AS ���+ <br /> Project Coordinator <br /> No. 6882 <br /> Dougl ee <br /> Senior ed .. gist, R.G. No. 6882 <br /> Figure I: Potent' <br /> g <br /> OF GA.. <br /> aometric Map <br />'F Figure 2 Concentration Map ;1 - <br /> Table 1: Groundwater Monitoring Data and Analytical Results <br /> Table 2: Groundwater Analytical Results-Oxygenate Compounds <br /> Attachments: Standard Operating Procedure-Groundwater Sampling <br /> Field Data Sheets <br /> Chain of Custody Document and Laboratory Analytical Reports . . <br /> i <br /> 6747 Sierra Court , Suite J Dublin , California 94568 (.925 ) 551.-:7555 <br /> '1L <br />