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1 <br /> Emcon Associates <br />' 1433 North Market Boulevard•Sacramento California 95834-1943 Ib (91 7MAIM, A*91`3341 <br /> 94 NOY 15 Ply 12: 28 <br /> 1 <br /> November 14, 1994 <br />' Project 0805-144 01 <br />' Mr Kyle Christie <br /> ARCO Products Company <br /> P O Box 5811 <br />' San Mateo, California 94402 <br /> Re Third Quarter 1994 Status Report for ARCO Service Station No 2076 at 800 East <br />' Kettleman Lane, Lodi, California <br /> Dear Mr Christie <br /> At the request of ARCO Products Company (ARCO), EMCON AssociatesEMCO <br /> ( N) is conductulg <br /> an environmental investigation at the subject site (see Figure 1) We have prepared this status report on <br />' the work conducted during the thud quarter 1994 <br />' BACKGROUND <br />' Work performed prior to thts quarter included drilling 19 sod borings and installing 4 groundwater <br /> monitoring wells and 7 vapor extraction wells Residual hydrocarbons were analytically identified it <br /> sod samples collected from borings near the tank cavity and dispenser island <br />' RESNA Industries (RESNA [Formerly Applied Geosystems]) performed a vapor extraction test on <br /> July 30, 1991 (RESNA, September 12, 1991). In November 1991, RESNA observed the removal of <br />' five gasoline storage tanks and associated product lines and excavation of a new tank cavity(RESNA, <br /> June 25, 1992) ARCO's contractors installed new tanks it the tank cavity east of the station building <br /> in November 1991 <br /> IARCO initiated groundwater monitoring it October 1992. Results have indicated that dissolved <br /> hydrocarbons have not been detected in groundwater, with the exception of total, xylene, which was <br />' detected in well MW-3 at a concentration of 0 7 part per billion(ppb)during the fourth quarter 1994 <br /> SAC/PIM805\08051440 IAS-94 PAS 5 <br />