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i . <br /> Y <br /> NVA <br /> �y <br /> Quarterly Status Repoµanteca, Calif <br /> Beacon Station 492 <br /> Page 2 <br /> gUMMARY 0 IS UARTE 'S kCTIYFs: <br /> was performed at the site on <br /> quarterly ground-water monitoring round-water <br /> June 21, 1991. Depth-to-water measurements and 9 <br /> the three ground-water monitoring <br /> samples were collected from <br /> wells at the site. <br /> ESUL 0 UARTERL f 14041T0 IPiG: <br /> wells to be <br /> e water <br /> Depth-to-water methreeemegroundhwaterhemonitarinometricelevation of hsurface <br /> surface in the <br /> three eachother. The potents <br /> within o.03-foot oflat. <br /> remains essentially three wells to have <br /> analyses show all BTEX detection <br /> Ground-water and BTEX concentrations. <br /> nondetectable TPHc and the TPHg detection limit was 50.0 Ppb <br /> limits were 0.5 pp <br /> It <br /> PROPOSED AC IV1TY OR WORX_FOR 1JAR ESTIMATED COMPLETION GATE <br /> GO TIVITl <br /> Perform 3rd quarter 1991 ground-water <br /> monitoring. This event is to be <br /> coordinated wihVHF <br /> andownertants across <br /> (representing to <br /> Alameda Street) in an effortround-water October 1, 1991 <br /> evaluate amore regional tafgom the 2 sites <br /> gradient combining <br /> Acquire air permit to reinstate carter 1991 <br /> vapor extraction remediation 4th Q <br /> utilizing catalytic oxidation <br /> Prepare Workplan for installing <br /> an additional monitoring well in <br /> the downgradient direction of the 4th Quarter 1991 <br /> Beacon hydrocarbon source once the <br /> "2 site,, gradient is evaluated <br />