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11 ! <br /> • <br /> INC.GETTLER - RYAN ' <br /> October 11, 2000 <br /> G-R.lob#386463 <br /> Mr Robert Cochran <br /> Chevron Products Company <br /> P O Box 6004 <br /> San Ramon, CA 94583 <br /> RE: Second Quarter Event of June 22,20W <br /> Groundwater Monitoring &Sampling Report <br /> Chevron Service Station#9-3232 <br /> 8660 Lower Sacramento Road <br /> Stockton, California <br /> Dear Mr Cochran <br /> This report documents the most recent groundwater monitoring and sampling event performed by Gettler- <br /> Ryan Inc (G-R) at the referenced site All field work was conducted in accordance with G-R. Standard <br /> Operating Procedure-Groundwater Sampling (attached) <br /> Static groundwater levels were measured and the wells were checked for the presence of separate-phase <br /> hydrocarbons Static water level data, groundwater elevations, and separate-phase hydrocarbon thickness (if <br /> any)are presented in the attached Table 1 A Potentiometric Map is included as Figure l <br /> . Groundwater samples were collected from the monitoring wells and submitted to a state certified laboratory <br /> for analyses The field data sheets for this event are attached Analytical results are presented in the table(s) <br /> listed below The chain of custody document and laboratory analytical report are also attached <br /> Please call if you have any questions or comments regarding this report Thank you <br /> S cerely, <br /> pFIrSSION <br /> Deanna L Harding O Q� Q KED q!�, <br /> Project Coordinator �Qk. �O Q� 2�, <br /> WM* <br /> co Z <br /> m <br /> CD No C 55734 rn <br /> Hagop Kevork 44 U.1 <br /> P E No C55734 cr-r- Exp ►r <br /> \Q. <br /> Figure 1 Potentiometnc Map `p� CIV <br /> Figure 2 Concentration Map '4lF OF CAS-V <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 /> Is <br /> 6747 Sierra Court , Suite J • Dublin , California 94568 ( 925 ) 551 - 7555 <br />