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chevron <br /> Chevron U.S.A. Inc. <br /> 2410 Camino Ramon,San Ramon, California•Phone 14151842-9500 <br /> Mail Address:P.o.Box 5004,San Ramon,CA 94583-0804 <br /> Marketing Operations MAY I 1 1980 <br /> O-Moller <br /> Division Manager,Operalions ENViROirN",(=i iAL HEALTH <br /> S.L.Patterson PERMIT!SEPVICES <br /> Area Manager,Operalions <br /> C.G.Trimbash <br /> Manager,Engineering <br /> 3 May 1989 <br /> Mr. Gordon Boggs <br /> Regional Water Quality Control Board <br /> 3443 Routier Road <br /> Sacramento, California 95827-3098 <br /> Re: Chevron Facility #96465 <br /> 5608 N. Pershing Ave. <br /> Stockton, California <br /> Dear Mr. Boggs: <br /> Enclosed are the results of the quarterly water sampling conducted by Weiss Associates <br /> at the above-referenced site. As indicated in the report, all water samples were analyzed for <br /> total petroleum hydrocarbons (TPH) and aromatic hydrocarbons Groundwater samples from <br /> monitoring wells MW-2,MW-6, and MW-7 contained benzene above the California Department <br /> of Health Services recommended action levels for drinking water. In order to track the <br /> natural degradation of hydrocarbons beneath the site, Chevron:will continue to monitor the <br /> site on a quarterly basis. If you have any questions or comments,please contact John Randall <br /> at (415) 842-9504. <br /> Very truly yours, <br /> John Randall <br /> Engineer <br /> JR/wa <br /> Enclosure / <br /> cc: San Joaquin County Local Health District ✓ <br /> F <br />