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1 <br /> r ** Emcon <br /> 1921 Ringwood Avenue•San Jose,California 95131-1721 . (408)453-7300. Fox(408)437-9526 <br /> i <br /> MAY 2 3 1995 ;€ <br /> t <br /> ENVIRONMENTAL HEALTH May 18, 1995 <br /> PERMIT/SERVICES Project 2074-001.01 } <br /> N <br /> Binayak Acharya <br /> Nestle USA, Inc. ` <br /> 800 North Brand Boulevard j <br /> Glendale, California 91203 <br /> F <br /> ii <br /> Re: Remedial action plan, East Fremont Street, Stockton, California <br /> Dear Mr. Acharya: <br /> r <br /> This letter presents EMCON's remedial action plan (RAP) for the.former Nestle USA, Inc. <br /> (Nestle), Distribution Center at 4343 East Fremont Street in Stockton, California (Site) <br /> (Figure 1). The RAP was prepared at the request of San Joaquin County Public Health <br /> Services (SJCPHS) in its letter dated February 3, 1995 (SJCPHS, 1995). This RAP <br /> provides an evaluation of remedial alternatives for addressing the petroleum-hydrocarbon- <br /> impacted soil at the Site. 1 <br /> r <br /> BACKGROUND <br /> i <br /> An oil/water separator was removed from the site in June 1986. Three soil samples <br /> collected from the excavated soil contained petroleum hydrocarbons and chlorinated j <br /> solvents. Concentrations up to 2,200 milligrams per kilogram (mg/kg) total petroleum <br /> hydrocarbons (TPH), 11 mg/kg 1,3-dichlorobenzene ;�(DCB), and 0.47 mg/kg <br /> tetrachloroethene (PCE) were reported for the soil samples.4 Based on these results, the <br /> SJCPHS indicated that further site assessment would be required to determine the nature <br /> and extent of the soil and any groundwater contamination. <br /> In November 1994, EMCON drilled two borings (B-1 and MW-1) on the north and south <br /> sides of the former oil/water separator (Figure 2). Boring B-1 was drilled to a depth of <br /> 31.5 feet below ground surface (BGS), and boring MW-1 was drilled to a depth of 98 feet <br /> BGS and converted to a groundwater monitoring well. Soil'Fsamples were obtained from <br /> the borings at approximately 5-foot intervals beginning at a depth of approximately 10 feet <br /> BGS. A groundwater sample was obtained from MW-1. <br /> The groundwater and soil samples were analyzed for TP6H by U.S. Environmental <br /> Protection Agency (USEPA) method 8015M and for volatile,forganic compounds (VOCs) <br /> by USEPA method 8240. <br /> ?k <br /> J:\SECTNPJ2\20740010.IBR-95\ljt:2 <br /> I <br />