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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 ID: M-10C1 Well M-10C1 <br /> Aquifer: Intermediate C <br /> Top Elevation:66.82 Jan-89 Jan-91 Jan-93 Jan-95 Jan-97 Jan-99 Jan-01 Jan-03 Jan-05 Jan-07 Jan-09 Jan-11 <br /> Bottom Elevation:-105.18 100,000 60 <br /> Screen Depth: 162-172 <br /> Total Depth: 172 <br /> Diameter:5 <br /> Sampling Sched:Q 10,000 50 _ <br /> elevations in feet mean sea level Q d <br /> depths in feet below ground surface CL G d <br /> 1,000 40 m <br /> 61 N <br /> l4 <br /> Ch 100 30 E <br /> od <br /> a o <br /> Q 10 0 20 <br /> O o 00 ° ° ° ° 0 0Op 0000000p0 4 4�4 <br /> o uD <br /> U o 0 0 4 ° 0 4 044 0 �444� �o 0 0�0 4 0 LL <br /> 1 Q 0 004404 4 , p04 444 °0 00 10 <br /> 0 1 M i 0 <br /> Jan-89 Jan-91 Jan-93 Jan-95 Jan-97 Jan-99 Jan-01 Jan-03 Jan-05 Jan-07 Jan-09 Jan-11 <br /> o 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 <br /> 0.5 ppb,but range from 0.5 to 500 ppb,historically. See Appendix B for specific values. <br /> Appendix C <br /> Page 15 of 75 <br />