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Chevron Inn Groundwater Monitoring Report(4Q2000) Page 2 of t <br /> Facility 49-3232—8660 Lower Sacramento Road,Stockton,CA Date March 23,2001 <br /> DISCUSSION: <br /> This groundwater monitoring and sampling event was performed by Gettler-Ryan Inc on December 20, 2000 <br /> Three wells were sampled during this event TPHg was reported in two wells at concentrations of 1,400 ppb in <br /> MW-3 and 11,000 ppb in MW-2 Benzene was reported at concentrations of 410 ppb in MW-3 and 1,400 ppb in <br /> MW-2 MtBE was reported in MW-3 at a concentration of 14 ppb using EPA Method 8260 Groundwater <br /> elevations across the site increased an average of approximately 5 68 feet this quarter Groundwater flow was <br /> undetermined(historical data indicate an easterly flow direction) <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 /> eRtgeHffl,,rel��� <br /> Associate Geologist <br /> ATTACHMENTS: <br /> Attachment A—January 31,2001 Groundwater Monitoring& Sampling Report by Gettler-Ryan Inc <br /> cc Bob Cochran,Chevron Products Company,P O Box 6004, San Ramon,CA 94583-0804 <br /> Marty Hartzell, RWQCB-CVR,3443 Routier Road, Suite A,Sacramento,Ca 95827 <br /> Richard Berger, Berger&Company,667 East Canal Drive, "Turlock,CA 95380-4095 <br /> I <br /> I <br /> I <br />