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1) Exploratory excavation of the area of SBR-1 and <br /> SBR-9 in order to define the extent of soil <br /> contamination at these locations <br /> ' 2 ) Excavation of significantly contaminated soil <br /> with subsequent on-site remediation using <br /> aerobic biodetoxification technology <br /> ' 3) The installation of a groundwater extraction <br /> well to control plume migration with subsequent <br /> bioremediation of the extracted water followed <br /> ' by reinjection of a portion of the treated water <br /> to facilitate in-situ bioremediation of <br /> contaminated soil and groundwater <br /> If PHS/EHD finds these recommendations acceptable , EPM will <br /> submit a detailed workplan within 15 working days . <br /> t Should you have any questions regarding the information <br /> contained herein, or if we may otherwise be of assistance , <br /> please contact Dr Richard Jacobs , Project Director , at <br /> ' ( 209 ) 538-3768 <br /> Sincerely , <br /> ' Valentin Constantinescu, M Sc <br /> Hydrogeologist <br /> • QPpFF.SSlpN <br /> fLde.1r <br /> eyce , Ph D � ��,� /q� t4`, <br /> ntist Q <br /> ' rkeby, P E <br /> Registered Civil Engineer 'yr <br /> �OP CAS-��O <br /> VC/OB/MK• 3r <br /> enc Figures 1-5 <br /> Appendix A . Soil Boring Logs <br /> Appendix B .Reports of Laboratory Analyses <br /> ' Appendix C Determination of the Direction <br /> and Slope of Groundwater Flow <br /> ' Page 11 <br />