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indicate possible direction(s ) of the plume. <br /> 4 . Additional work may be required to define the lateral extent <br /> of groundwater contamination. <br /> RECOMMENDATIONS: <br /> 1 . It is recommended that quarterly monitoring of the three <br /> existing wells continue for one additional quarter; if wells #1 & <br /> #3 are still below detection limits , water sampling can be dis- <br /> continued in those two wells . Water Level measurements should <br /> continue in all three wells to determine gradient direction; if <br /> major changes occur, sampling of those two wells should be done <br /> again. <br /> 2 . Sampling & depth determination should continue on MW-2 as <br /> long as contamination is measured. <br /> 3 . It is recognized that further site assessment may be <br /> necessary. Options include additional soil excavation, soil <br /> borings/water sampling, soil vapor work, and/or monitoring wells . <br /> However, until we are able to meet with our client and address <br /> the issues , we are not prepared to propose additional work at <br /> . this time. That meeting is planned for the very near future; <br /> afteffiThayer, <br /> various options , we will advise your office <br /> of foure work. <br /> Wm. ciates <br /> July <br /> cc : WQCB <br /> G. Lechich <br /> M. Griffin <br /> OF CAS-1�� <br /> 2 <br />