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San Joaquin County <br /> Site Conceptual Model Requirements Checklist <br /> przC-0 X130 <br /> Requirement Location in Document <br /> Maps showing location of <br /> ■ Sources Figure 2 <br /> ■ Boring and monitoring well locations Figure 2 <br /> ■ Lines of cross section Appendix F <br /> ■ Extent of contamination in each media Figures 4 through 12 <br /> ■ Direction and rate of groundwater flow Table 5 <br /> ■ Receptor locations including wells within 2,000 feet Table 1, Text <br /> Geologic cross sections showing <br /> • subsurface geologic features Appendix F <br /> ■ dopth to groundwater Table 2 <br /> ■ man-made conduits Appendix F <br /> ■ monitoring well construction Appendix F, Table 3 <br /> ■ interpretive drawings of the vertical extent of soil and Figures 8, 9, 11, 12 <br /> roundwater contamination <br /> Plots of chemical concentration vs time Due to rising groundwater <br /> conditions at the site, no <br /> representative well showing <br /> concentration vs time <br /> exists <br /> Summary tables of chemical concentrations in different Appendix F, Table 2 <br /> media <br /> Bonng and well los Appendix C <br /> Narrative description of <br /> ■ controls on contaminant distribution Text <br /> • contaminant migration mechanisms, pathways, and Text <br /> rates <br /> ■ plume disposition over time Text <br /> ■ sorbed and dissolved contaminant masses I Text, Appendix D <br /> The purpose of the SCM is to demonstrate where the contaminants came from, where <br /> they are at the present time, how they move through the subsurface, how they will <br /> respond to changes in the groundwater flow characteristics or to potential remediation <br /> efforts, what the contaminants' ultimate environmental fate will be, and to help evaluate <br /> the risk posed by the contaminants to groundwater supplies and sensitive receptors <br />