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Mr. Many Hartzell Pmject 803026 <br /> Soiled mber 8, 2000 <br /> Page <br /> Test Meshed 8015. IT recommends incorporating well GWX-1 and proposed <br /> downgrodient well MW-8 into the cumem groundwater monitoring program. IT also <br /> mmendsanalyzing the groundwater samples collected 6om wells MW-I through <br /> MW-] and proposed well MW-8 and well GWX-1 for dissolved oxygen and 0". All <br /> wells should continue to be sampled on a quarterly basis during the reconciliation phase of <br /> this project b assess remedial effectiveness. Table 2 presents a recommended <br /> groundwater monitoring program that includes the roomer monitoring plan and <br /> mendations made herein. The groundwater monitoring program will be evaluated <br /> after the fourth quarter 2000 sampling cued. At that true, it may be appropriate to <br /> modify the sampling program to reduce the frequency of utilizing EPA Test <br /> Method 8260 to identify the presence of MTBE and other oxygenates. Any proposed <br /> changes to the torten( monitoring program including sampling frequency and/or <br /> chemical analysis will be included iv the fourth quarter 2000 groundwater monitoring <br /> report. <br /> IMPLEMENTATION SCHEDULE FOR FINAL REMEDY AND ONGOING <br /> MAINTENANCE OF THE PROPERTY <br /> The anticipated schedWe of tasks to occur before etmmp of the vemediation system is <br /> showaludow: <br /> Task Proposed Schedule <br /> September2000 Agency review and approval ofllvs CAP lama addendum <br /> September 20M Installapagewelhandvadose zonemonearmawells <br /> Octobrr2000 - (bo temdcompieteairsparWteat <br /> Novenrber 2000 Sitemainteauucetoincludeleveliugweels <br /> October 200 ) program remedial action plan <br /> Novemba2000 Agency approval of controlled action plan <br /> Decemba2000 Permitting, equipment procmomunS and Construction of <br /> remediation system <br /> wnnaamrmes�imvraroms.mewmae� - li[oNPMIron <br />