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®N COMPANY, U.S.A. <br /> 1 P.O. BOx 4415-HOUSTON, TEXAS 772 $0-4415 J UN <br /> MARKETING DEPARTMENT ipl'1 �A [�1 �l i�r•L`,�� ,l1 HEALTH REAL ESTATE a ENG1 rrEERI NO ENVIRONMENTAL 1lEl'SL111 . <br /> ENVIRONMENTAL ENGINEERING <br /> PERMIT/SERVICES <br /> O, A. HARRIS <br /> ENVIRONMENTAL GEOLOGIST June 3, 1991 <br /> Former Exxon Station #: 7-1050 <br /> 909 W. Hammer Lane <br /> Stockton, California 95207 <br /> Mr. Harlan Knoll <br /> San Joaquin County <br /> Public Health Services <br /> 445 north San Joaquin Street <br /> Stockton, California 95201 <br /> I <br /> Dear Mr. Knoll : <br /> Enclosed is a copy of the second quarter 1991 quarterly report for the above <br /> referenced site. Groundwater analyses indicate that all monitor wells, except <br /> for MW-6 with 5 ppb benzene, contain less than 0.3 ppb benzene. <br /> We plan to continue quarterly monitoring sampling of groundwater. EVAX will <br /> continue to operate the soil vapor extraction system and to submit reports to <br /> you monthly. e <br /> If you have questions, you may contact me at (713) 656-7755. <br /> Sincerely, <br /> DAH:tlg <br /> 9013D/l <br /> Enclosure <br /> c - w/o enclosure: <br /> Mr. D. J. Bertoch <br /> ADIVI'ION OF EXXON CORPORATION <br /> �r�V, . <br />