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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-20C1 <br /> Well ID:M-20C1 <br /> Aquifer: Intermediate C Mar-91 Mar-93 Mar-95 Mar-97 Mar-99 Mar-01 Mar-03 Mar-05 Mar-07 Mar-09 Mar-11 <br /> Top Elevation:66.73 100,000 60 <br /> Bottom Elevation:-83.27 <br /> Screen Depth: 140-150 <br /> Total Depth: 150 <br /> Diameter:S' 10,000 50 <br /> Sampling Schad:A a i <br /> elevations in feet mean sea level J 1,000 40 <br /> depths in feet below ground surface N <br /> N <br /> S = <br /> R <br /> c100 0 �o ° o 0 0 0 0 0 0 0 0 o O 30 E <br /> ❑ 0 0 o n n n o 0 0 0 o n n i <br /> A n g 0 0 © o <br /> y 10 0 20 <br /> v o <br /> 0 0 0 p m <br /> m <br /> v 1 0 10 LL <br /> 0 0 <br /> 0 0 <br /> Mar-91 Mar-93 Mar-95 Mar-97 Mar-99 Mar-01 Mar-03 Mar-05 Mar-07 Mar-09 Mar-11 <br /> TCE -CIS o VC -We-,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 /> Well ID:M-20D Well M-20D <br /> Aquifer:Lower D <br /> Top Elevation:66.64 Mar-91 Mar-93 Mar-95 Mar-97 Mar-99 Mar-01 Mar-03 Mar-05 Mar-07 Mar-09 Mar-11 <br /> Bottom Elevation:-158.36 100,000 60 <br /> Screen Depth:205-225 <br /> Total Depth:225 <br /> Diameter:S' <br /> Sampling Schad:Q 10,000 50 <br /> elevations in feet mean sea level 6 <br /> depths in feet below ground surface Q N <br /> 1,000 40 <br /> N <br /> S = <br /> R <br /> c 100 30 <br /> m <br /> 88 00 'o <br /> v 10 0 �0 moo 800- 20 R <br /> a <br /> 0 �o SOA Z'/1 li <br /> C <br /> 1 n4o o O 84 098 10 <br /> 00 <br /> 00 000 0 O 0 0 0 0 00 0 0 0 0 O CM DOODOOMOIL 4 m <br /> 0 0 <br /> Mar-91 Mar-93 Mar-95 Mar-97 Mar-99 Mar-01 Mar-03 Mar-05 Mar-07 Mar-09 Mar-11 <br /> TCE -CIS -VC -Water Elevation <br /> Appendix C <br /> Page 29 of 75 <br />