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t <br /> Chevron <br /> Chevron <br /> Chevron U.SA Products Company <br /> 6001 Bollinger Canyon Rd.,Bldg. L <br /> P.O.Box 5004 <br /> San Ramon, CA 94583-0804 <br /> Site Assessment&Remediation Group <br /> Phone(510)842-9500 <br /> October 8, 1995 <br /> Ms.Mary Meays <br /> San Joaquin County Environmental Health <br /> P.O.Box 388 <br /> Stockton,CA 95201-0388 <br /> Re: Chevron Station#9-0557, 139 South Center Street, Stockton-CA <br /> Attached groundwater monitoring report(Blaine Tech,3/27/95) <br /> Dear Ms.Meays: <br /> Attached you will find a report dated March 27, 1995,which was prepared by Chevron's consultant, <br /> Blaine Tech Services Inc. (Blaine Tech),to describe groundwater monitoring that was performed at the <br /> subject site on February 24, 1995. <br /> During Blaine Tech's February site visit all six site-related wells were gauged and sampled. The depth to <br /> groundwater at all well locations was the shallowest measured at the subject site in nearly three years. The <br /> measured direction of groundwater flow continued to-be southeasterly. All groundwater samples were <br /> analyzed for the presence of TPHGas and BTEX constituents. Detectable concentrations of dissolved <br /> petroleum hydrocarbons were measured at all wells except MW-4.The measured concentrations were <br /> consistent with those detected previously. <br /> If you have any questions or comments,I can be reached at(510)842-8695. <br /> Sincerely, <br /> Brett L.Hunter <br /> Environmental Engineer <br /> Site Assessment and Remediation <br /> Attachment <br /> cc: Elizabeth Thayer,.Central Valley RWQCB;Sacramento, CA <br /> Tom Portele, Greyhound Lines,P.O.Box 660362,Dallas,TX 75266-0362 <br />