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CVRWQCB/Elizabe:th Thayer for direction. Due <br /> to low concentrations of diesel found in <br /> groundwater from time to time, an additional <br /> MW will be requested downgradient to determine <br /> soil and groundwater conditions SW of the <br /> former tank field. <br /> 5/20/93 One additional monitoring well (#4) installed <br /> SW of contaminated area. <br /> 5/22/93 ESE' s report dated June 11, 1993 .indicated <br /> soil and groundwater conditions ND for MW#4. <br /> 9/2/93 Second Qt. Report dated Aug. 17, 1993 ' <br /> indicated low diesel 'concentrations in MW #1 <br /> and #4 (200ppb diesel, BTEX ND) . <br /> 11/15/93 Third Qt. Report indicated all MWs ND for BTEX <br /> and diesel. <br /> 2/11/94 Fourth Qt. Report again indicated all MWs ND <br /> for BTEX and diesel ( .second consecutive round <br /> of groundwater 'results ND) . <br /> .12/28/94 EHD completed review of Site Closure Report <br /> prepared by ESE ':and dated Nov. 28, 1994 . Site <br /> closure letter prepared for CVRWQCB <br /> concurrence. <br /> 03/31/95 Two well destruction permits issued for abandonment of <br /> one off site and three on site monitoring wells. <br /> i <br /> 04/13/95 EHD verified ove'rdrilling and grouting of four monitoring <br /> well completed 04/12/95. <br /> 04/25/95 Site closure correspondence for CVRWQCB and R.P.processed <br /> for mailing. <br /> I <br />