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Ultramar <br /> Ultramar Inc. Telecopy: 209-584-6113 Credit&Wholesale <br /> P.O.Box 466209-583-3330 Administrative <br /> 525 W.Third Street 209-583-3302 Information Services <br /> Hanford,CA 93232-0466 209-583-3358 Accounting <br /> (209)582-0241 <br /> ENVIRONMENTAL PROJECT <br /> QUARTERLY STATUS REPORT <br /> HEOPIVE!" <br /> .DATE REPORT SUBMITTED: May 27, 1994 <br /> QUARTER ENDING: March 3>1, '1'994 MAY 3 1 3994 <br /> ENVIRONMENTAL, HEALTH . <br /> SERVICE STATION 'NO.: 494 PERMIT/SERVICES <br /> ADDRESS: ,-,2185 East Fremont; Stockton, California <br /> COUNTY:_Sane Joaquin <br /> ULTRAMAR CONTACT: Kenneth R. Earnest TEL. NO: 209-583-5571 <br /> BACKGROUND: <br /> Due to a possible real estate divestment three ground-water <br /> monitoring wells- and two +soil :borings were completed in April <br /> 1992. Initial laboratory results . indcated that two .of the. <br /> monitoring wells exhibited detectable amounts of .petroleum <br /> hydrocarbons. . Both of - -the ..soil. borings exhibited <br /> non-detectable amounts of petroleum hydrocarbons. <br /> The three. .10,000'' gallon underground storage -tanks, product <br /> Lines and dispensers were removed from the site on March.8, <br /> 1993. <br /> A Limited Soil Gas Survey and- Vacuum Extraction Feasibility <br /> Test was . completed in mid-March '1993, with favorable results <br /> for future vapor extraction. <br /> SUMMARY OF THISQUARTER'S ACTIVITIES:: <br /> Quarterly monitoring wasiperformed `on'March 25"- 1994 <br /> RESULT OF QUARTERLY:MONITORING: <br /> Ground-water , analyses show MW-3 and 'MW-4 to contain the <br /> largest amounts of benzene at. 130.:and 44 parts per -billion <br /> '(ppb) ' respectively.. MW--Il MW-2 and MW-5 contain <0.5, 0..77 <br /> and 0.36 ppb respectively. <br /> BEACON <br /> I <br /> A Member of the Ultramar Group of Companies #t Quality and Service <br /> uerramar <br />