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Chevron Groundwater Monitoring Report(3Q2002) Page 2 of 2 <br /> Facility #9-2396-25651 Highway 99 North,Acampo,Ca Date October 23,2002 <br /> • <br /> DISCUSSION: <br /> This groundwater monitoring and sampling event was performed by Gettler-Ryan Inc on July 22,2002 <br /> Groundwater samples were collected from three wells during this event There were no detectible levels of total <br /> petroleum hydrocarbons as gasoline(TPHg)or benzene in any of the samples collected from the wells Methyl <br /> tertiary butyl ether(MtBE)was detected in the sample collected from MW-2,at a concentration of 7 micrograms <br /> per liter(gg/l) Depth to water across the site increased by an average of approximately 0 85 feet from the previous <br /> quarter The groundwater flow direction was to the south at 0 003 ft/ft <br /> LIMITATIONS: <br /> The findings presented in this letter are based on data and interpretations provided by Gettler-Ryan, Inc Gettler- <br /> Ryan's report is attached The data presented in this summary is accurate only to the degree implied by the sources <br /> and methods used No warranty, expressed or implied, is made by SECOR <br /> If you have any questions, please feel free to call us at(916) 861-0400 <br /> Sincerely, <br /> SECOR International Inc <br /> Greg McIver <br /> Protect Manage <br /> ATTACHMENTS- <br /> 0 Attachment A—September 3,2002 Groundwater Monitoring& Sampling Report by Gettler-Ryan Inc <br /> cc Bob Cochran,CEMC, P O Box 6004, San Ramon, CA 94583-0804 <br /> Diane Holmes Trust, P O Box 285, Houston, TX 77001 <br /> i <br />