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Chevron <br /> N_I~Al Th Chevron <br /> i 1 <br /> �5111MIN 2 7 PV 1: 12 <br /> Chevron USA Products Company <br /> 6001 Bollinger Canyon Rd., Bldg.L <br /> January 23, 1995 P.O. Box 5004 <br /> San Ramon;CA 945BUB04 <br /> Site Assessment& Remediation Group <br /> Ms. Mary Meays Phone 15101042-9500 <br /> San Joaquin County Environmental Health <br /> P.O. Box 2009 <br /> Stockton,CA 95201 <br /> Re: Former Chevron Station#9-1918.45 East Harding Way;Stockton, CA <br /> Attached groundwater monitoring report(GTI, 11/7/94) <br /> Dear Ms. Meays: f <br /> Attached is a report dated November 7; 1994, which was prepared by.Chevron's consultant, <br /> Groundwater Technology Inca(GTI), to deseribe.the results of groundwater monitoring which was <br /> performed at the subject site on October 3, 1994. <br /> i <br /> Ten of the fourteen site-related wells were gauged. The.remaining four are former vapor wells and { <br /> were inaccessible. Three of the ten wells.gauged were dry (MW-1, MW-7, and MW-8). The <br /> measured direction of groundwater flow was toward the northeasL <br /> Groundwater samples were analyzed for the presence of TPHGas and BTEX constituents. <br /> Detectable concentrations of dissolved hydrocarbons were measured at wells MW-9, MW-11, and <br /> MW-13. Non-detect results were.measured at wells MW-2R, MW:10, MW`12, and MW-14. The <br /> quarterly monitoring results demonstrate that the dissolved hydrocarbon plume is defined, no- <br /> migration is occurring,and that contaminantlevelsare naturally attenuating. <br /> Chevron is currently preparing a corrective action plan to be submitted to your agency for review. <br /> If you have any questions or comments,I-can be reached at(510) 842-8695. <br /> Sincerely, p <br /> I/ /�- <br /> Brett L. Hunter <br /> Environmental Engineer <br /> Site Assessment and Remediation <br /> Attachment <br /> W. Elizabeth Thayer, Central Valley RWQCB,Sacramento, CA: <br /> Carolyn Lawrence, 6318 Chesapeake Circle, Stockton, CA, 95219 <br /> Michael F. Babitzke, 6 South EhDorado, Suite 305, Stockton;CA 95202 <br /> Bette Owen, Chevron USA, Products Company San Ramon; CA (w/o attachment) <br /> {{y�f��fte�;yct:aG'e <br />