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Appendix C-Historical Groundwater Elevations and TCE/cis-1,2-DCENC Concentrations <br /> 2013 Annual Report <br /> Former Nestle USA,Inc.Facility <br /> Ripon,California <br /> Well M-52B <br /> Well ID:M-52B <br /> Aquifer:Upper B <br /> Top Elevation:65.67 10,000 50 <br /> Bottom Elevation:23.67 <br /> Screen Depth:22-42 <br /> Total Depth:42 <br /> Diameter:2" <br /> Sampling Schad:NR/Q 1,000 40 <br /> elevatlons in feet mean sea level Q N <br /> depths in feet below ground surface O- — <br /> Ow <br /> J @ <br /> z 100 30 w <br /> N d <br /> O <br /> N <br /> 10 20 0 <br /> c � <br /> O <br /> V 1 10 LL <br /> rr <br /> 0 0 0 0 0 0 0 0 0 <br /> 16 <br /> 0 0 <br /> Jan-10 Jan-11 Jan-12 Jan-13 Jan-14 <br /> F_ -TCE CIS -VC -Waley Elevallm <br /> Note: All concentration values that are less than the detection limit have been plotted as one-half of the detection limit. Detection limits are <br /> typically 0.5 ppb,but range from 0.5 to 500 ppb,historically. See Appendix B for specific values. <br />