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rtf'� �t� <br /> 77i'S,� {arta 4 '1'�ir1� �� � ' � <br /> AXiVNOLOGiS,INC <br /> 269 Mount Herron Rd <br /> suite 101 <br /> Scotts Valley CA 95066 ENVIRONMENTAL HEALTH <br /> 4W 7511 <br /> FAX 1f")438 7515 <br /> 5 April 1992 <br /> Ms. Marla Guensler <br /> Exxon Company, U.S.A. <br /> 2300 Clayton Rd. , Suite 1250 <br /> Concord, CA 94520 <br /> SUBJECT: Vacuum Extraction System <br /> Exxon Station RS #7-1050, <br /> Stockton, California <br /> Dear Ms. Guensler: <br /> The system air stream and individual vapor extraction points were <br /> monitored 9 March and 24 March 1992. The results are presented in the <br /> attached monitoring summary for your review. Also enclosed are copies <br /> of the laboratory analyses. <br /> ei The system operated continuously during the past interval . Between 8 <br /> March 1991 and 24 March 1992, approximately 1,484 pounds of <br /> hydrocarbons and 60 pounds of benzene have been removed from the soil . <br /> Per your request, the catalytic incinerator was shut down effective 31 <br /> March 1992. We look forward to working with you again if you choose to <br /> operate a Granular Activated Carbon System at this site. In the mean <br /> time, please let me know if I can be of any assistance with this <br /> project or others <br /> Sincerely, <br /> EVAX Technologies, Inc. <br /> Shaw Garakani <br /> Project Engineer <br /> cc: Mr. Harlin Knoll , San Joaquin County Environmental Health <br /> Department <br />