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Quarterly Summa Report <br /> Second Quarter 1995 <br /> Former Unocal Service Station 0123 <br /> 1034 Central Avenue <br /> Tracy, California <br /> City/County ID#: Unknown <br /> County: San Joaquin <br /> BACKGROUND <br /> The site was reportedly an operating Unocal service tation from approximately 1920 through <br /> 1962. Two underground storage tank (UST) comple�es have existed at the site. A cluster of <br /> three tanks located at the northern property boundar� adjacent to 11th Street, were identified <br /> as "abandoned" on a general arrangement plan, and a second cluster of three tanks to the <br /> south were identified as active USTs. The property w as purchased by Bank of America and <br /> the service station was demolished in 1962. The site is currently an asphalt-paved parking lot <br /> owned by and servicing the Wells Fargo Bank locate immediately to the south. A limited <br /> subsurface investigation was conducted by LMS and detailed in a March 29, 1994,Phase I <br /> Report, Addendum 1. As requested by the San Joaquin County Public Health Services, <br /> Environmental Health Division, Unocal submitted a ork plan dated, October 6, 1994, to <br /> perform a soil and groundwater investigation. <br /> RECENT QUARTER ACTIVITIES <br /> Unocal negotiated for a right-of-entry agreement with the current property owner(Wells <br /> Fargo Bank, N.A.). Nine soil borings and three grou> dwater monitoring wells were installed <br /> in May 1995. Exploratory test pitting was performed in June and encountered two abandoned <br /> UST's at the northern property boundary. <br /> NEXT QUARTER ACTIVITIES <br /> A report documenting the soil and groundwater inves igation will be submitted. Third quarter <br /> groundwater monitoring will be performed. <br /> CHARACTERIZATION/REMEDIAL STATUS <br /> Soil contamination delineated? Pending site investigation results. <br /> Dissolved groundwater delineated? Pending site investigation results. <br /> Free product delineated? Not applicable. <br /> Amount groundwater contaminant recovered this quarter? Not applicable. <br /> Soil remediation in progress? Not applicable. <br /> Anticipated completion date? Not applicable. <br /> Dissolved/free product remediation in progress? Not applicable. <br /> Anticipated completion? Not applicable. <br /> CONSULTANT: Pacific Environmental Group, Inc. <br /> 3100971A/2Q95QSR 1 July 18,1995 <br />