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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-33C <br /> Well ID:M-33C <br /> Aquifer:Lower D <br /> Top Elevation:NA Jan-06 Jan-07 Jan-08 Jan-09 Jan-10 Jan-11 <br /> Bottom Elevation:NA 100,000 60 <br /> Screen Depth:188-198 ` <br /> Total Depth:236 <br /> Diameter:2" <br /> Sampling Sched:SA 10,000 50 <br /> Z' <br /> elevations in feet mean sea level C. > <br /> depths in feet below ground surface Q- N <br /> 1,000 40 <br /> rn w <br /> c <br /> c 100 30 E <br /> is j <br /> L o <br /> 4) 10 20 :a <br /> C <br /> O Ny <br /> U LL <br /> 1 10 <br /> n n n n n n n n n n n n n n n <br /> 0 fill 0 <br /> Jan-06 Jan-07 Jan-08 Jan-09 Jan-10 <br /> -,-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. Well M-33C does not have water level elevation posted,because the surveyor was <br /> not able gain access to the well. When the well is surveyed,this data will be added. <br /> Appendix C <br /> Page 46 of 75 <br />