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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-51A <br /> Well ID:M-51A <br /> Aquifer:Upper A <br /> Top Elevation:66.9 10,000 50 <br /> Bottom Elevation:-3.1 <br /> Screen Depth:52-67 <br /> Total Depth:70 <br /> Diameter:2" <br /> Sampling Schad:NR/Q 1,000 40 <br /> >elevations in feet mean sea level Q N <br /> depths in feet below ground surface Q- <br /> - <br /> d <br /> s 100 30 c <br /> R <br /> c E <br /> o <br /> 10 20 0 <br /> c � <br /> m !a <br /> v <br /> m <br /> U <br /> 1 0 0 0 0 10 LL <br /> 0 0 0 0 0 0 0 0 ® 0 0 0 0 0 0 0 0 <br /> 0 0 <br /> Jan-10 Jan-11 Jan-12 Jan-13 Jan-14 <br /> --E CIS —Vc —Wafer Ele—,- <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 />