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COS January 1996 Meeting k <br /> Page 3 <br /> _ I <br /> The:1purpose of the scope of work proposed in this work plan is to compile a complete site j <br /> assessment report with all data obtained to date. All soil and groundwater analyses 4 <br /> obtained to date should be tabulated. The estimated extent of the contamination should be <br /> contoured on cross sections which include lithological strata and well construction details. <br /> A mass balance should be calculated for each concentration contour. The environmental <br /> attenuation, leachability, waste characterization and monitoring well data presented in this <br /> report will be used to determine the risk of leaving the waste in place, or the benefit of <br /> establishing and implementing site specific cleanup goals. i <br /> The compliance date for the work plan is February 29, 1996 <br /> The next meeting to discuss COS sites was scheduled for Tuesday, April 16, 1996 at 1:30 p.m. <br /> and will be held at the office of PHS/EHD. PHS/EHD appreciates the efforts of the COS to work <br /> cooperatively. <br /> Please contact either Mary Meays at (209)468-0337, Steve Sasson at (209)468-3459 or Linda f <br /> Turkatte at (209)468-3441, if you have any questions or disagree with this summary. <br /> f <br /> Dt <br /> nna Heran, REHS, Director ` <br /> me tal Health Division p <br /> Diane M. Hinson REHS <br /> Supervisor kk! <br /> MM\COSI.MET ! <br /> cc: Elizabeth Thayer, CVRWQCB cc: Jim Escobar, COS Public Works <br /> cc: Stephen Chen, COS Public Works cc: Bob Murdoch, COS Public Works <br /> cc: K.D. Jones, Twinning cc: Tom Lutterman, Smith Environmental <br /> k <br />