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- <br /> ETTLER <br /> RYA N INC. <br /> Job #5121 80 <br /> December 11, 1995 <br /> Mr Brett Hunter <br /> Chevron USA Products Company <br /> P O Box 5004 <br /> San Ramon, CA 94583 <br /> Re Chevron Service Station#9-6171 <br /> 6633 Pacific Avenue <br /> Stockton, California <br /> Dear Mr Hunter <br /> This report documents the quarterly groundwater sampling event performed by Gettler-Ryan Inc (G-R) On November <br /> 5, 1995, field personnel were on-site to momtor and sample six wells (MW-2 through MW-7) Chevron Service Station <br /> #9-6171 located at 6633 Pacific Avenue, in Stockton, California <br /> Static groundwater levels were measured on November 5, 1995 All wells were checked for the presence of separate- <br /> phase hydrocarbons Separate-phase hydrocarbons were not present in any of the site wells Static water level data and <br /> groundwater elevations are presented in Table 1 A potentiometnc map is included as Figure 1 <br /> Groundwater samples were collected from the monitoring wells as specified by G-R. Standard Operating Procedure - <br /> Quarterly Groundwater Sampling (attached) The field data sheets for this event are also attached The samples were <br /> analyzed by Sequoia Analytical Analytical results are presented in Tables 1, 2 and 3 The chain of custody document <br /> and laboratory analytical reports are enclosed <br /> Thank you for allowing Gettler-Ryan to provide environmental services to Chevron Please call if you have any questions <br /> or comments regarding this report <br /> Sincerely, 1/ <br /> Greg;A Gurss0, <br /> TPect Manager Penny 1..SlIzerCny S r s No 5523 <br /> Semor eo ogist, R G o 5523 42 <br /> GAG/PLS/dlh <br /> 5121 QML <br /> Figure 1 Potentiometnc Map <br /> Table i Water Level Data and Groundwater Analytical. Results <br /> Table 2 Analytical Results -Volatile Organic Compounds <br /> Table 3 Analytical Results - Bacteriological Elements <br /> Attachments Standard Operating Procedure - Quarterly Groundwater Sampling <br /> . Field Data Sheets <br /> Chain of Custody Document and Laboratory Analytical Reports <br /> 6747 Sierra Court , Suite J Dublin , California 94568 ( 510 ) 551 -7555 <br />