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Mll,r STA i 1/18/9S <br />Thanksgiving Holiday <br />November <br />No activity <br />Weekend <br />26-29 <br />Assemble treatment systems <br />November 30 - <br />Connect surface piping, valves, gages, <br />(SVE & groundwater P & T) <br />December 4 <br />sampling ports, air stripper, blowers, <br />GAC vapor treatment unit, GAC treated <br />water polisher, etc. <br />Test SVE and shallow <br />December <br />Simulate startup. Hold treated water in <br />groundwater extraction <br />7- 11 <br />tank. Sample treated groundwater with <br />systems <br />fast turnaround analyses. Begin <br />discharging to sanitary sewer when ND <br />achieved and permit received. <br />SVE and shallow groundwater <br />December <br />Extract groundwater from GW -1 and <br />extraction systems startup <br />14- 18 <br />GW -3. Decision to extract from GW -2 <br />period <br />pending results of RNA analyses. <br />Conference call / final <br />December 18 <br />Decision whether to extract groundwater <br />evaluation of Remediation by <br />from deeper zone well, GW -2. RNA <br />Natural Attenuation (RNA) <br />evaluation based on field analyses and <br />laboratory data just received. <br />Close monitoring of operating <br />December <br />Frequent vapor and groundwater samples <br />remedial systems <br />21 -24 <br />with analyses on fast turnaround <br />Christmas weekend <br />December <br />No activity; remedial systems running to <br />25 -27 <br />the extent possible. <br />Close monitoring of operating <br />December <br />Several vapor and groundwater samples <br />remedial systems <br />28 - 31 <br />with analyses on fast turnaround. <br />New Year's weekend <br />December 25 - <br />No activity; systems running. <br />January 4 <br />Remedial Systems O & M <br />January 4 <br />If systems are operating smoothly, begin <br />operation, maintenance, and monitoring <br />of treatment systems with bi-Nveekly <br />sampling until 90% tailing achieved. <br />4th 1998 quarterly <br />January 6 <br />Quarterly report (4th quarter 1998) <br />monitoring report <br />including updated assessment of RNA <br />1st 1999 quarterly <br />February 9 - 13 <br />Standard sampling and analysis of 12 <br />groundwater <br />monitoring wells in program. First <br />sampling <br />sampling since remedial system startup. <br />Phase I Remediation Progress <br />mid-March <br />Proposed meeting at site; summarize <br />Meeting <br />system performance: presentation of <br />Phase I remediation efficiency data; <br />discuss plan for successive cycles of SVE <br />and P&T. <br />Mll,r STA i 1/18/9S <br />