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Appendix C-Historical Groundwater Elevations and TCE/cis-1,2-DCE/VC Concentrations <br /> 2013 Annual Report <br /> Former Nestle USA Inc. Facility <br /> Ripon, California <br /> Well M-31C1 <br /> Well ID: M-31C1 <br /> Aquifer: Intermediate C <br /> Top Elevation:57.60 100,000 60 <br /> Bottom Elevation:-72.4 <br /> Screen Depth: 120-125 <br /> Total Depth: 130 <br /> Diameter:2" <br /> Sampling Schad:Q 10,000 50 <br /> elevations in feet mean sea level C <br /> depths in feet below ground surface O. <br /> 1,000 40 m <br /> rn rn <br /> w0 0 0 0 90 0 0 0 0 00 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 � <br /> c 100 ° o 0 30 <br /> m g8 ° 090 o ° °°° °p2202Q ° g ° 8o °° 8 °° ° > <br /> c ° g° g ° ° ° ° ° �O <br /> 0 10 ° ° 0 20 ;° <br /> c <br /> o <br /> U LL <br /> 1 10 <br /> 0 0 <br /> Jan-04 Jan-05 Jan-06 Jan-07 Jan-08 Jan-09 Jan-10 Jan-11 Jan-12 Jan-13 Jan-14 <br /> —*--TCE —o—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. <br /> Well M-31 C2/D <br /> Well ID: M-31C2/D <br /> Aquifer: Intermediate C <br /> Top Elevation:57.60 100,000 60 <br /> Bottom Elevation:-154.4 <br /> Screen Depth: 196-211 <br /> Total Depth:212 <br /> Diameter:2" 10,000 50 _ <br /> Sampling Schad:SA <br /> m <br /> elevations in feet mean sea level Q N <br /> depths in feet below ground surface J 1,000 40 m <br /> � rn <br /> C <br /> N l6 <br /> c 100 30 E <br /> O <br /> 10 20 R <br /> c <br /> o <br /> U LL <br /> 1 10 <br /> nn nn nnnnnn nnnn nnnnnn n n n n n n <br /> 0 0 <br /> Jan-04 Jan-05 Jan-06 Jan-07 Jan-08 Jan-09 Jan-10 Jan-11 Jan-12 Jan-13 Jan-14 <br /> C —A-TCE SCIS c VC —*--Water Elevation <br />