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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-22B <br /> Well ID:M-22B <br /> Aquifer:Upper AB 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:65.09 100,000 60 <br /> Bottom Elevation:20.09 <br /> Screen Depth:2545 <br /> Total Depth:45 <br /> Diameter:4" 10,000 �r or- 50 <br /> Sampling Schad:B ^ <br /> elevations in feet mean sea level CL ?� <br /> depths in feet below ground surtace J 1,000 40 to <br /> Ol <br /> N <br /> c 100 0 °°°° A 30 £ <br /> O A <br /> d <br /> ° A A A A <br /> ami 10 ° 20 a <br /> c ° <br /> a <br /> U li <br /> 1 10 <br /> 00 <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 /> Note: All concentration values that are less than the detection limit have been plotted as one-half of the detection limit. Detection limits are <br /> typically 0.5 ppb,but range from 0.5 to 500 ppb,historically. See Appendix B for specific values. <br /> Well ID:M-22A Well M-22A <br /> Aquifer:Upper AB <br /> Top Elevation:65.79 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:-55.21 100,000 60 <br /> Screen Depth:100.6-120. <br /> Total Depth:121 <br /> Diameter:5" <br /> Sampling Schad:A 10,000 50 <br /> elevations in feet mean sea level z j <br /> depths in feet below ground surtace per', N <br /> 1,000 40 In <br /> � N <br /> 1 � <br /> W AA AA d <br /> c 100 ^^ 30 E <br /> A <br /> A ° Q ° > <br /> 10 o ° ° 20 <br /> c o o c n <br /> v R 0 LL <br /> 1 ° ° 10 <br /> ° <br /> 0000000 0 0 0 0 0 0 0 0 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 VC -Water Elevation <br /> Appendix C <br /> Page 31 of 75 <br />