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Chevron Groundwater Monitoring Report(2Q2002) Page 2 of 2 <br /> ` <br /> Facility: #9-1452—334 East Main Street,Ripon,California <br /> . Y P Date:lune 28,2002 <br /> M f <br /> # DISCUSSION: { <br /> { This groundwater monitoring and sampling event was performed by Gettler-Ryan Inc.on May 6,2002. Eight wells j <br /> were sampled during this event. MW-3 was not sampled due to a car being parked over the well. Benzene was not <br /> detected in any of the samples collected from the eight wells. TPHg was detected in samples collected from two of <br /> the wells at concentrations of 980 p.gll in the sample collected from MW-5S and 1,500,ag/l in the sarrtple collected `f <br /> from MW-6S. MtBE was detected in samples collected from four of the wells at concentrations ranging from 4 agll <br /> in the sample collected from MW-5D to 15,000y gll in the sample collected from MW-6S. Depth to water across <br /> the site decreased an average of approximately 0.58 feet from the previous sampling event. Groundwater flow was <br /> ffto the northwest at 0.0003 ft/ft. <br /> i <br /> LIMITATIONS: 0 <br /> �r <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 /> c <br /> E ' <br /> ?Fianlv a <br /> Project Manager <br /> ATTACHMENTS: <br /> 'FII <br /> • Attachment A—June 3,2002 Groundwater Monitoring&Sampling Report by Gettler-Ryan Inc. <br /> a <br /> cc: Bob Cochran,Chevron Products Company,P.O.Box 6004,San Ramon,CA 945 83-0804 <br /> Marty Hartzell,RWQCB—CVR, 3443 Routier Road,Suite A,Sacramento,CA 95827 <br /> jt <br /> I � ' <br /> I <br /> h <br /> Ih_ <br /> it , <br />