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Chevron ,I <br /> Chevron <br /> L � <br /> Chevron U.S.A;Products Company <br /> f _ 2410 Camino Ramon - <br /> September 8, 1993 San Ramon,CA 94583 <br /> P0.Box 5004 <br /> San Ramon,.CA 94583-0804:. <br /> Marketing Department <br /> Ms. Mary MeayS - - - - :Phone 5108429500 _ <br /> San Joaquin County Environmental Health <br /> P.O. Box 2009 <br /> Stockton, CA 95201 <br /> Re: Former Chevron Station#9-1918 45 East Hardine Way Stockton CA <br /> Attached environmental assessment report(GTI, 9/1/93) <br /> j <br /> 1 <br /> Dear.Ms. Meays: <br /> Attached is an environmental assessment report dated September l', 1993,which was prepared by } <br /> Chevron's consultant, Groundwater Technology Inc. (GTI), to describe the installation and ' 1 <br /> sampling of two groundwater monitoring wells on June 29, 1993. <br /> Groundwater monitoring wells MW-12 and MW-13 were installed offsite and downgmdient from <br /> the subject property. Groundwater was encountered at approximately 50 feet below grotind surface <br /> in both wells. Soil samples collecteds from-each well did not detect any TPHGas or BTEX <br /> constituents above the minimum quanritation limits. Dissolved hydrocarbons were detected in <br /> groundwater samples collected from well MW-13. No dissolved hydrocarbons were detected in <br /> groundwater samples from well MW-12. Groundwater was also sampled from monitoring wells <br /> MW-9, -10, and MW-11. The measut,41evels of dissolved hydrocarbons from MW79 and MW-10 <br /> were consistent with those detected during previous'sampling events. The measured levels of i <br /> dissolved hydrocarbons in MW-11 were lower than any:previously detected. <br /> i <br /> I am looking forward to our scheduled meeting'on September 15, 1993. The meeting should <br /> provide an opportunity to discuss GTI's latest report in detail as well as, discuss'Chevron's <br /> planned course of action at the subject site. <br /> If you have any questions or comments, I can be reached at(510) 842-8695. it <br /> Sincerely, <br /> Brett L. Hunter SEF 0.9 1993 <br /> Environmental Engineer, . <br /> Site Assessment and Remediation EN if-,IONMENTAL HEALTH <br /> PERMIT/SERVICES' <br /> J <br /> I <br /> �PC,Vlii A'61f3 <br /> l <br />