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Appendix C-Historical Groundwater Elevations and TCE/cis-1,2-DCENC Concentrations <br /> 2013 Annual Report <br /> Former Nestle USA,Inc.Facility <br /> Ripon,California <br /> Well M-20C1 <br /> Well ID:M-20C1 <br /> Aquifer:Intermediate C <br /> Top Elevation:66.73 100,000 60 <br /> Bottom Elevation:-83.27 <br /> Screen Depth:140-150 <br /> Total Depth:150 <br /> Diameter:5' 10,000 50 <br /> Sampling Schad:A a <br /> CL <br /> d <br /> elevations in feet mean sea level C1 000 40 <br /> depths in feet below ground surface —1 W <br /> S r <br /> 0 100 06 °R 0 0 0 0 0 ° o o ° 0 30 E <br /> 2' 0 o O 0 4 nRC oC 0 n / n 0 > <br /> 00 A 0 6 0 A O <br /> y 10 — n o0 20 @ <br /> U <br /> C ^ A y <br /> O y <br /> U 1 10 LL <br /> 0 0 <br /> Jan-91 Jan-93 Jan-95 Jan-97 Jan-99 Jan-01 Jan-03 Jan-05 Jan-07 Jan-09 Jan-11 Jan-13 <br /> —r—TCE —.'SCIS —VC --I- <br /> 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 <br /> Bottom Elevation:-158.36 100,000 60 <br /> Screen Depth:205-225 <br /> Total Depth:225 <br /> Diameter:5' <br /> Sampling Schad:Q 10,000 50 <br /> elevations in feet mean sea level j <br /> depths in feet below ground surface <br /> J 1,000 40 to <br /> � N <br /> S � <br /> 16 <br /> c 100 30 EQ <br /> m <br /> o <br /> 0 006COR <br /> 0 10 0 oo�po15 o° 0 20 <br /> 00 <br /> 0 Z' <br /> A,14 A, <br /> o oo0so l0 <br /> 1 ^4o g ° 0 0 bo 0%o' � 10 <br /> 00CM00 000 0000000 0 ani 1� mn0 r, <br /> 0 0 <br /> Jan-91 Jan-93 Jan-95 Jan-97 Jan-99 Jan-01 Jan-03 Jan-05 Jan-07 Jan-09 Jan-11 Jan-13 <br /> o <br /> XE CIS VC —Wader El..tl. <br />