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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-42A <br /> Well ID:M-42A <br /> Aquifer:Upper A <br /> Top Elevation:64.47 100,000 60 <br /> Bottom Elevation:-55.53 <br /> Screen Depth:89-109 <br /> Total Depth:120 <br /> Diameter:2" 10,000 50 <br /> Sampling Schad:Q <br /> elevatlons in feet mean sea level Q � <br /> depths in feet below ground surface Q- — <br /> 1,000 40 to <br /> m <br /> � N <br /> 0 100 30 E <br /> — m <br /> a > <br /> 0 <br /> c � <br /> d 10 20 =° <br /> u <br /> c <br /> U ii <br /> 1 10 <br /> 0 0 <br /> Jan-07 Jan-08 Jan-09 Jan-10 Jan-11 Jan-12 Jan-13 Jan-14 <br /> F_ --E - CIS o VC —Wafer .7-71m <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 />