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. Ultramar Inc Telecopy 209 584 6113 Credd&Wholesale P O Box 466 209 583 3330 Administrative 525 W Third Street 209 583 3302 Information Services Hanford CA 93232-0466 209 583 3358 Accounting (209)582 0241 ENVIRONMENTAL PROJECT QUARTERLY STATUS REPORT alt'= DATE REPORT SUBMITTED: July 31, 1992 AUG 0 4 1992 QUARTER ENDING: June 30, 1992 ENVIRONMENTAL HEALTH SERVICE STATION NO. : 695 PERMIT/SERVICES ADDRESS: 900 South Cherokee Lane, Lodi , California COUNTY: San Joaquin ULTRAMAR CONTACT: Kenneth R. Earnest TEL. NO: 209-583-5571 BACKGROUND: Ultramar purchased site from Conoco in July 1990. Several ground-water monitoring wells had been installed by Conoco (formerly Kayo Oil Company) at and near the site. At the time of site purchase, all but six wells (RW-1, MW-16, MW-18, MW-20, MW-21 , and MW-25) were dry. In March 1991 , one additional ground-water monitoring/vapor- extraction well (MW-27) and one vapor-extraction well (VW-26) were installed as part of the installation of a vapor extraction system designed and permitted for the site. Soil and ground-water analyses showed nondetectable to moderate TPHg and benzene concentrations. Permitting for the system was completed and the vapor extraction system was installed early in the third quarter 1991 . A permit application for a 500 scfm catalytic incinerator was approved by the APCD and the system was initiated on September 20, 1991 SUMMARY OF THIS QUARTER'S ACTIVITIES: Quarterly groundwater monitoring was performed on June 17, 1992 As of May 6, 1992 a total of 36,760 pounds of hydrocarbons have been destroyed utilizing vapor extraction (equivalent to approximately 5,930 gallons of gasoline) . IFURSc m A Member of the Ultramar Group of Companies #1 Qudltty and Service Ultramar