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I., <br />I*v/Q GE T TL ER - RYA N INC. <br />July 16, 1996 <br />Ms Tammy Hodge <br />Chevron USA Products Company <br />P O Box 5004 <br />San Ramon, CA 94583 <br />Re Former Chevron Service Station #9-0959 <br />103 West 11th Street <br />Tracy, California <br />Dear Ms Hodge <br />Job #5297 80 <br />This report documents the quarterly groundwater sampling event performed by Gettler-Ryan Inc (G -R) On June 11, <br />1996, field personnel were on-site to monitor and sample five wells (MW -1 through MW -5) at the Former Chevron <br />Service Station #9-0959 located at 103 West 11th Street in Tracy, California <br />Static groundwater levels were measured on June 11, 1996 All wells were checked for the presence of separate -phase <br />hydrocarbons Separate -phase hydrocarbons were not present in any of the site wells Static water level data and ground <br />water elevations are presented in Table 1 A potentiometric map is included as Figure 1 <br />Groundwater samples were collected from the monitoring wells as specified by G -R Standard Operating Procedure - <br />Groundwater Sampling (attached) The field data sheets for this event are also attached The samples were analyzed by <br />NEI/GTEL Environmental Laboratories, Inc Analytical results are presented in Tables 1 and 2 The chain of custody <br />document 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, <br />QVa Larding ,t �� GE��O <br />P ect Coordinator �� C <br />(A � Penny L. Sitter <br />Penny ilaer <br />No 5543 <br />Senior logist, R G No 5523 4 <br />DLH/PLS/dlh CiF CAS-��O <br />5297 QML <br />Figure 1 Potentxometrsc Map <br />Table 1 Water Level Data and Groundwater Analytical Results <br />Table 2 Analytical Results <br />Attachments Standard Operating Procedure - Groundwater Sampling <br />Field Data Sheets <br />Cham of Custody Document and Laboratory Analytical Reports <br />6747 Serra Court, Suite J 0 Dublin, California 94568 (5 10) 551-7555 <br />