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Chevron Quarterly Groundwater Monitoring Report(4Q2000) Page,2 of 2 <br /> f auhty #9-1848— 1257 Yosemite Avenue Mantua CA DatE FLbruary 15,2001 <br /> DISCUSSION- <br /> This groundwater monitoring and sampling event was performed by Gettler-Ryan Inc on December 1, 2000 Three <br /> wells were sampled during this event Laboratory test results reported TPH-and benzene as non-detectable in all <br /> wells MtBE concentrations were reported in C-2 at 20 0 ppb and C-3 at 11 7 ppb, which represents a decrease <br /> when compared with test results from last quarter Groundwater elevations across the site increased an average of <br /> approximately 0 14 feet this quarter Groundwater flow was southeast at 0 01 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 /> It you have any questions, please feel free to call us at(916) 861-0400 <br /> Sincerely, <br /> SECOR International Inc <br /> • ott Ga e <br /> Senior 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 /> Donna Feletto, Pan Pacific Retail Properties, 8785 Center Parkway, Suite B-350, Sacramento, CA 95823 <br />� i <br />