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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-15B <br /> Well ID: M-15B <br /> Aquifer: UpperA/B 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 /> Top Elevation:65.56 100,000 60 <br /> Bottom Elevation: 19.56 <br /> Screen Depth:25-45 <br /> Total Depth:46 <br /> Diameter:4" <br /> Sampling Sched: B 2 10,000 50 d <br /> CL <br /> elevations in feet mean sea level Q- d <br /> depths in feet below ground surface J 1,000 40 d <br /> p� N <br /> 7. C <br /> PW <br /> l6 <br /> N d <br /> c 100 30 £ <br /> is <br /> L O <br /> (D 10 20 `= <br /> V <br /> 0 y <br /> O y <br /> U LL <br /> 1 n 10 <br /> 0 <br /> COMOOMmCYl non 0 0000 0000000 n 0 0 n n 00 <br /> 0 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 /> TICE 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 <br /> ppb,but range from 0.5 to 500 ppb,historically. See Appendix B for specific values. <br /> Well M-15A <br /> Well ID: M-15A <br /> Aquifer: UpperA/B 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 /> Top Elevation: 65.34 100,000 60 <br /> Bots tom Evation: -48.66 <br /> een Depth: 88-108 NEW <br /> Total Depth: 114 <br /> Diameter: 4" 10,000 50 <br /> Sampling Sched: A " <br /> a) <br /> CL <br /> d <br /> elevations in feet mean sea level G <br /> depths in feet below ground surface J 1,000 v�Y�^. .,�„ 40 N <br /> 61 N <br /> 7. C <br /> l6 <br /> c 100 30 E <br /> 0 <br /> is <br /> L O <br /> u <br /> Q <br /> 10 �g0 A " 20 <br /> o <br /> O 0 y <br /> rJ 1 10 LL <br /> 0 00=030 00 0 0 0 Q QI 0 a o 1� 0 non n <br /> 0 ii 1 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 /> — TCE —CIS VC —Water Elevation <br /> Appendix C <br /> Page 21 of 75 <br />