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t' <br /> Quarterly Summary Report <br /> Second Quarter 1999 <br /> Farmer Unocal Service Station 2859 <br /> 1665 Pacific Avenue <br /> Stockton, California <br /> County STID # None <br /> County San Joaquin <br /> BACKGROUND <br /> Underground storage tanks removed in March 1988 From March 1988 through <br /> November 1994, a total of 12 on-site and 3 off-site borings were drilled, 4 on-site moni- <br /> tonng wells, 3 on-site soil vapor extraction (SVE) wells, and 5 off-site monitoring wells <br /> were installed Analytical results indicate that soil near the eastern dispenser island <br /> contains gasoline hydrocarbons and groundwater has been impacted with gasoline <br /> hydrocarbons A work plan to initiate a SVE pilot test was submitted on July 14, 1995 <br /> A 30-day public notification for air permitting was initiated, and an air permit to construct <br /> was received in December The SVE remedial system was constructed in January 1996 <br /> The SVE pilot test was run from January through November 1996, during which time it <br /> removed nearly 2,800 pounds of hydrocarbons <br /> RECENT QUARTER ACTIVITIES <br /> Field work to implement a scope of work presented in a fourth quarter 1998 workplan <br /> was performed Second quarter groundwater monitoring and sampling was also <br /> performed during this reporting period <br /> NEXT QUARTER ACTIVITIES <br /> Second quarter 1999 groundwater monitoring report will be issued and sampling will be <br /> performed <br /> 3100405A/2g99QSR 1 July 20, 1999 <br />