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alp; JuN u( �� y =ZZ NO .VUZ r .�a <br /> %moo$ V <br /> WORK PIAN FOR CONFIRMATION <br /> SOIL SAMPLING OF REMEDIATED SOILS AT 1320 WEST WEBER STREET <br /> AND SAMPLING OF DEVELOPMENT AND PURGE WATER AT THE FORMER UNION ICE <br /> COMPANY FACILITY, <br /> 425 NORTH UNION S7MEET, STOCKiTON, CALIFORNIA <br /> 1.0 INTRODUCTION <br /> At the request of San Joaquin County Environmental Health Division and Union ice <br /> Limited Partnership, ICF Kaiser Engineers, Inc. (ICI= Kaiser) has prepared this Work Plan for <br /> activities proposed at the former Union lee facility at 425 North Union Street and the current <br /> Union Ica facility at 1320 West Weber Street, In StooMon California, Aemediated soil that <br /> originated at 425 North Union Street and now resides at 1320 West Weber Street will be <br /> sampled and analyzed to confirm that remedlation is complete. Also, development and purge <br /> water at 425 North Union Street will be sampled and analyzed to allow for proper disposal of <br /> the water. Quarterly monitoring of groundwater elevations and groundwater duality from live <br /> wells located at the North Union Street facility has been conducted for the first two quarters of <br /> 1995 and will contlnue until the San Joaquin County Environmer tal Health Division indicates <br /> further monitoring Is no longer necessary. <br /> The activities described in this Work Plan are designed to meet, in part, the site <br /> closure requirements of the San Joaquin County Environmental Health Division per out <br /> meeting of February 10, 1994. This Work Plan presents a brief summary of previous soil <br /> sampling and remediation activities. A detailed description of the previous activitlas Is <br /> included in the Soil and Grow4water Investigation Report (ICI" Kaiser, 1984). <br /> 2.0 SITE BACKGROUND <br /> The former Union Ice facility is located ed 425 North Union Street, Stockton, California <br /> (Figure 1). Union lee owned and operated an ice manufacturing plant on the alto for over 100 <br /> years. In 1989, arctic Ice purchased the facility from Union Ice. <br /> Four single-walled steel underground storage tanks (VST9) used for storing fuel (Tank <br /> #1), gasoline, fuel oil, kerosene, or diesel (Tank #3), and waste oil (Tante #4) were formerly <br /> located at the site. In September of 1969, the tanks and associated piping were removed <br /> from the site by SEMCO under permit and direction of the San Joaquin County EnAronmgntal <br /> Health Division. During the tank removal, soil samples were collected from the base of each <br /> tank excavation and around product lines and analyzed for TPH-e, TPH-g, BTEx, VOCs, <br /> metals, and EDI3. <br /> The analytical results indicated the presence of petroleum products in the soils <br /> beneath and around Tanks #3 and #4, Excavations of Impacted soils were conducted in <br /> 1990 and 1992 by WHF Environmental Consultants (WHF). Approximately 550 pubic yards of <br /> soil were excavated from the viclnity of Tank #3 In I990 and approximately 1,2W cubic yards <br />