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II <br /> Quarterly Status Report-Fourth Quarter 1998 <br /> Former Beacon Station No. 474 <br /> Stockton, California <br /> SUMMARY OF THIS QUARTER'S ACTIVITIES: <br /> Groundwater monitoring was conducted by Doulos Environmental on December 30, 1998. <br /> Monitoring wells and two deep vapor extraction wells (VW-1 and VW-4) were sampled. <br /> RESULT OF QUARTERLY MONITORING: <br /> Analytical results for this quarter indicate that dissolved concentrations of hydrocarbons were <br /> greatest near the east dispenser island. Minor hydrocarbon concentrations were detected in <br /> Monitoring well MW-8. Petroleum hydrocarbons were not detected in Monitoring Wells MW-5, <br /> MW-7, and MW-9. <br /> PROPOSED ACTIVITY OR WORK FOR NEXT QUARTER: <br /> ACTIVITY ESTIMATED COMPLETION DATE <br /> Perform quarterly groundwater monitoring February 1999 <br /> Submit revisions to assessment and remedial January 1999 <br /> testing workplan <br /> Conduct assessment and remedial testing March 1999 <br /> I <br /> t <br />