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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-1013 <br /> Well ID:M-1 OB <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:66.86 100,000 60 <br /> Bottom Elevation:24.86 <br /> Screen Depth:22-42 <br /> Total Depth:42 <br /> Diameter:4" <br /> Sampling Schad:B 10,000 50 <br /> elevations in feet mean sea level p_ N <br /> depths in feet below ground surface CL — <br /> J 1,000 40 <br /> rn w <br /> 0 <br /> 100 30 E <br /> 0 <br /> m 0 0 <br /> m <br /> 10 20 0 <br /> U <br /> c y <br /> o <br /> LLL <br /> U o <br /> 1 a 10 <br /> a aaa 0 0a aCC a Coca DODO aaC moa 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 /> —t TCE SCIS o 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 <br /> ppb,but range from 0.5 to 500 ppb,historically. See Appendix B for specific values. <br /> Well M-10A <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 /> Well ID:M-10A 100,000 60 <br /> Aquifer:Upper A/B <br /> Top Elevation:66.73 <br /> Bottom Elevation:-47.27 <br /> Screen Depth:92-112 10,000 50 <br /> Total Depth: 114 <br /> Diameter:4" <br /> Sampling Schad:Q o, m <br /> CL elevations in feet mean sea level <br /> 1,000 40 <br /> depths in feet below ground surface pt <br /> 3 n� AAAA c <br /> c 100 A A ��o�m 30 E <br /> A am <br /> ` n > <br /> 0 <br /> o R <br /> 10 0 ° 0 20 <br /> c D D LILA o 0000 <br /> N <br /> V 0 Op <br /> InsD Q p pp �A� o0 0°0° R ty <br /> 1 00 �A a °00000 t 10 <br /> 0 0 0D0 0 000 <br /> ooCDo00o 000000 0 0 0 0 0 0 a 0 0 0 0 0 0 0 o=Co3C00c0C0moD 0000 00 <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 /> n TCE --CIS c VC +Water Elevation <br /> Appendix C <br /> Page 14 of 75 <br />