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cwvmn <br /> Chevron <br /> Chevron U S A Products Company <br /> SEP 2 9 1gg 3 2410 Camino Ramon <br /> September 27, 1993 <br /> San Ramon CA 94583 <br /> ENVIRONMENTAL HEALTH Marketing Department <br /> PERMITISERVICES Phone 510 842 9500 <br /> Mr Harlin Knoll <br /> San Joaquin County Environmental Health Department <br /> P O Box 2009 <br /> Stockton, CA 95201 <br /> Re Former Chevron Station#9-6155 <br /> 9474 Highway 99 North, Stockton, CA <br /> Dear Mr Knoll <br /> Attached is a report dated September 24, 1993, which was prepared by Chevron's consultant, <br /> Groundwater Technology Inc (GTI) to describe the results of groundwater monitoring performed <br /> • at the subject site on August 30, 1993 <br /> The depth to groundwater was measured and samples were collected from monitoring well MW-1 <br /> The collected samples were analyzed for the presence of TPHGas and BTEX constituents No <br /> dissolved hydrocarbon constituents were detected in MW-1 Monitoring wells MW-2 and MW-3 <br /> were dry The total well depth was also measured in all three monitoring wells <br /> These latest results obtained from MW-1 confirm the "clean" groundwater conditions that were <br /> demonstrated by all three site monitoring wells throughout 1991 These data will be forwarded to <br /> Mr Jeff Braunstein, Central Valley Regional Water Quality Control Board, to assist in his review <br /> of this site for case closure Chevron will arrange for the proper abandonment of all site monitoring <br /> wells upon receipt of case closure notification <br /> If you have any questions or comments, I can be reached at(510) 842-8695 <br /> Sincerely, <br /> dAx—le lt:?� <br /> Brett L Hunter <br /> Environmental Engineer <br /> Site Assessment and Remediation <br /> Attachment <br /> !' cc Jeff Braunstein, Central Valley RWQCB, Sacramento, CA <br /> John Ferrola, P 0 Box 757, Lodi, CA 95241 <br />