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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-36C <br /> Well ID:M-36C Jan-06 Jan-07 Jan-08 Jan-09 Jan-10 Jan-11 <br /> Aquifer: Intermediate C 100,000 — 60 <br /> Top Elevation:64.10 <br /> Bottom Elevation:-75.9 <br /> Screen Depth: 134-139 <br /> Total Depth: 140 10,000 50 <br /> Diameter:2" <br /> Sampling Schad:Q C j <br /> C. d <br /> elevations in feet mean sea level J 1,000 40 R <br /> depths in feet below ground surface y <br /> C <br /> R <br /> c 100 30 E <br /> 2 O <br /> 4) 10 20 m <br /> c y <br /> O <br /> U LL <br /> 1 10 <br /> n Q 2 2 2 sa Q ca ca Q Q Q Q <br /> 01 0 <br /> Jan-06 Jan-07 Jan-08 Jan-09 Jan-10 Jan-11 <br /> n 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-36D — <br /> Aquifer:Lower D <br /> Top Elevation:63.60 Well M-36D <br /> Bottom Elevation:-176.4 <br /> Screen Depth:230-235 <br /> Total Depth:240 Jan-06 Jan-07 Jan-08 Jan-09 Jan-10 Jan-11 <br /> Diameter:2" 100,000 60 <br /> Sampling Schad:SA <br /> elevations in feet mean sea level <br /> depths in feet below ground surface 10,000 50 <br /> C. <br /> C. _ <br /> 1,000 40 ami <br /> rn � <br /> c <br /> rs <br /> � d <br /> c 100 30 £ <br /> d <br /> L 0 <br /> v 10 20 =° <br /> C y <br /> O <br /> U LL <br /> 1 10 <br /> Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q <br /> 0 0 <br /> Jan-06 Jan-07 Jan-08 Jan-09 Jan-10 Jan-11 <br /> Appendix C <br /> Page 51 of 75 <br />