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Historical Groundwater Elevations and TCE/cis-1,2-DCENC Concentrations <br /> 2010 Annual Report <br /> Former Nestle USA, Inc. Facility <br /> Ripon, California <br /> Well M-16B <br /> Well ID:M-16B <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:66.67 100,000 60 <br /> Bottom Elevation:21.67 <br /> Screen Depth:24.5-44.5 <br /> Total Depth:45 <br /> Diameter:4" 10,000 50 <br /> Sampling Schad:A a y <br /> CL > <br /> elevations in feet mean sea level O. <br /> depths in feet below ground surfaceJ <br /> 1,000 40 N <br /> 01 N <br /> c 100 30 E <br /> 0 <br /> — m <br /> m > <br /> 0 <br /> 0 10 20 <br /> m <br /> U <br /> c <br /> o p p y <br /> U <br /> LL <br /> 1 ° a 10 <br /> A <br /> o n c c n n c Q Q Q Q Q n <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 /> --TCE —CIS —VC —Water Elevafion <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, <br /> but range from 0.5 to 500 ppb,historically. See Appendix B for specific values. <br /> Well ID:M-16A Well M-16A <br /> Aquifer: Intermediate C <br /> Top Elevation:66.48 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:-61.52 100,000 60 <br /> Screen Depth: 118-128 <br /> Total Depth: 128 <br /> Diameter:4" <br /> Sampling Schad:B 10,000 --- ---- 50 _ <br /> elevations in feet mean sea level 6 <br /> depths in feet below ground surface Q > <br /> N <br /> 1,000 40 <br /> rn a <br /> 0 <br /> c 100 30 E <br /> - m <br /> m > <br /> 0 <br /> C_ .0 <br /> 10 20 S <br /> c y <br /> 0 <br /> U 1i <br /> 1 10 <br /> 0 <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 /> —TCE —CIS —VC Water Elevafion <br /> Appendix C <br /> Page 22 of 75 <br />