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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-48A <br /> Well ID:M-48A <br /> Aquifer:Upper B/A <br /> Top Elevation:70.2 100,000 45 <br /> Bottom Elevation:9.2 <br /> Screen Depth:50-60 <br /> Total Depth:61 <br /> Diameter:2" 10,000 <br /> Sampling Schad:Q 35 <br /> >elevations in feet mean sea level Q N <br /> depths in feet below ground surface CL <br /> —11,000 <br /> m <br /> s 25 = <br /> R <br /> c 100 E <br /> A y <br /> A 15 0 <br /> C A A R <br /> m 10 <br /> V A <br /> C <br /> y <br /> 0 <br /> U A A A , A Li <br /> 1 n o 0 5 <br /> 0 0 0 0 <br /> 0 <br /> 0000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 <br /> 0 -5 <br /> Jan-07 Jan-08 Jan-09 Jan-10 Jan-11 Jan-12 Jan-13 Jan-14 <br /> -TCE cis VC ---El.vallan <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 />