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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-45A <br /> Well ID:M-45A <br /> Aquifer:Upper Jan-07 Jul-07 Jan-08 Jul-08 Jan-09 Jul-09 Jan-10 Jul-10 Dec-10 <br /> Top Elevation:65.12 100,000 45 <br /> Bottom Elevation:-71.88 <br /> Screen Depth:76-101 <br /> Total Depth:137 40 <br /> Diameter:2" 10,000 <br /> Sampling Schad:Q <br /> 35 <br /> elevations in feet mean sea level s > <br /> depths in feet below ground surface CL <br /> °- 1,000 30 m <br /> J � <br /> N <br /> 25 <br /> 100 E <br /> 0 20 > <br /> o <br /> s <br /> 10 15 <br /> U <br /> C y <br /> 0 0 10 ri <br /> U <br /> 1 <br /> 5 <br /> t� fl t� fl t� fl o fl fl fl t� t� fl fl fl t� <br /> 0 0 <br /> Jan-07 Jul-07 Jan-08 Jul-08 Jan-09 Jul-09 Jan-10 Jul-10 Dec-10 <br /> -A-TCE -SCIS tVC 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 M-45C <br /> Well ID:M-45C <br /> Aquifer: Intermediate C Jan-07 Jul-07 Jan-08 Jul-08 Jan-09 Jul-09 Jan-10 Jul-10 Dec-10 <br /> Top Elevation:65.14 1,000 45 <br /> Bottom Elevation:-71.86 <br /> Screen Depth: 123-133 <br /> Total Depth:137 40 <br /> Diameter:2" <br /> Sampling Schad:Q <br /> 35 m <br /> elevations in feet mean sea level c 100 <br /> depths in feet belowround surface <br /> g J 30 � <br /> N <br /> al <br /> 3 25 <br /> c 10 = E <br /> ° 0 20 > <br /> o <br /> o s <br /> m 15:° <br /> 0 1 d <br /> tj 10 Li <br /> fl Q n o Q 9 0 5 <br /> 0 0 <br /> Jan-07 Jul-07 Jan-08 Jul-08 Jan-09 Jul-09 Jan-10 Jul-10 Dec-10 <br /> A TCE —CIS o VC -4-Water Elevation <br /> Appendix C <br /> Page 62 of 75 <br />