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chevron _.. . <br /> C "1' OCn. �a�A� Th <br /> ' <br /> 96AUG -9 AM If: 12 <br /> Chevron U.S.A:Products Company <br /> 6001 Bollinger Canyon Road <br /> .August 5; 1996 Building L <br /> San Ranson,CA 94583 <br /> P0.Box 5004 <br /> San Ramon,CA 94583-0604 <br /> Mr..-Ron Rowe' Marketing_Northwest.Regim <br /> San Joaquin County Public Health Services Phone 510 842 9500 <br /> P.O.Box.388 <br /> Stockton, CA _95201-6388 <br /> Re: . a taEron#9-1452,-3 'E::Main'St:`Ripon;-CA� ` <br /> Attached rroou"ndwater Monitoring Report(Blaine Tech, 13196) <br /> Dear Mr.'Rowe:' <br /> Please findattached a report dated-July 3, 1996,which was prepared-by.Chevron's consultant,Blaine. <br /> Tech Services, Inc. (Blaine Tech),to describe the results of groundwater monitoring4liat was performcd at <br /> the subject site on.May 24, 1996. <br /> is During their May:site visit,Blaine•Tech gauged and sampled all fou rsite-related wells. Groundwater. <br /> samples were each analyzed for TPHGas,-BTEX.constituents,and MTBE. The measured direction of <br /> groundwater flow was toward the northwest. Trace levels of dissolved.petroleum hydrocarbons were- <br /> detected in.samples from wells MW-1 and'MW-2. Chevron wilt continueto monitor,the groundwater on a <br /> t. - .regular basis. If subsequent events.detect si uilar or lower.containinarit concentrations then, a.request for <br /> case closure will'be made. <br /> If you have any questions or comments,please contact me at(5.10)842-8695. <br /> Sincerely <br /> Q <br /> -Brett L. Hunter <br /> Environmental Engineer <br /> .Site Assessment and Remediation <br /> Attachment <br /> - cc: Elizabeth Thayer, Central Valley RWQCB, Sacramento;CA <br /> Sanwa Bank California;Trustee For The Gwendolyn Schefffer Trust;P.O. Box 1539, <br /> Santa Barbara, CA 93102 <br />