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Historical Groundwater Elevations and TCE/cis-1,2-DCE/VC Concentrations <br /> 2010 Annual Report <br /> Former Nestle USA Inc. Facility <br /> Ripon, California <br /> Well M-39A <br /> Well ID:M-39A <br /> Aquifer: Upper A <br /> Top Elevation:69.77 Jan-07 Jul-07 Feb-08 Aug-08 Mar-09 Oct-09 Apr-10 Nov-10 <br /> Bottom Elevation:-130.23 100,000 45 <br /> Screen Depth:80-110 <br /> Total Depth:200 <br /> Diameter:2" 40 <br /> Sampling Schad:Q 10,000 <br /> elevations in feet mean sea level 35 = <br /> depths in feet below ground surface Q. j <br /> Q N <br /> 1,000 30 R <br /> J y <br /> N <br /> 3 25 OM <br /> R <br /> c 100 E <br /> 20 > <br /> c <br /> 0 <br /> °' 10 15 =° <br /> v I <br /> o <br /> v 10 LL <br /> 1 <br /> 5 <br /> n n n n n n n n n n n n n n <br /> 0 0 <br /> Jan-07 Jul-07 Feb-08 Aug-08 Mar-09 Oct-09 Apr-10 Nov-10 <br /> Fr TCE CIS VC -.*--Water Elevation <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 typically 0.5 ppb,but <br /> range from 0.5 to 500 ppb,historically. See Appendix B for specific values. <br /> Well ID:M-39C <br /> Aquifer: Intermediate C <br /> Top Elevation:69.77 Well M-39C <br /> Bottom Elevation:-130.23 <br /> Screen Depth: 142-157 <br /> Total Depth:200 Jan-07 Jul-07 Feb-08 Aug-08 Mar-09 Oct-09 Apr-10 Nov-10 <br /> Diameter:2" 100,000 45 <br /> Sampling Schad:Q <br /> elevations in feet mean sea level 40 <br /> depths in feet below ground surface 10,000 <br /> 35 = <br /> > <br /> a m <br /> 1,000 30 R <br /> J N <br /> N <br /> 3 25 R <br /> U) 100 E <br /> 0 <br /> 20 <br /> 0 <br /> c � <br /> m 10 15 =° <br /> U <br /> c y <br /> 0 <br /> v 10 ti <br /> 1 <br /> 5 <br /> n n n n n n n n n n n n n n n n <br /> 0 0 <br /> Jan-07 Jul-07 Feb-08 Aug-08 Mar-09 Oct-09 Apr-10 Nov-10 <br /> Appendix C <br /> Page 55 of 75 <br />