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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-02B <br /> Well ID:M-02B <br /> Aquifer:UpperA/B <br /> Top Elevation: 69 100,000 60 <br /> Bottom Elevation: 29 <br /> Screen Depth:19-39 <br /> Total Depth: 40 <br /> Diameter: 4" 10,000 50 <br /> Sampling Sched: A <br /> elevations in feet mean sea level Q m <br /> depths in feet below ground surface Q- 1,000 40 <br /> J � <br /> d <br /> � u! <br /> 1 = <br /> R <br /> c 100 30 E <br /> o > <br /> o <br /> c � <br /> 10 ° 20 =° <br /> o L <br /> 1 10 <br /> 0 0 0 ® o o an o 0 <br /> 0 0 <br /> Jan-87 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 /> -�­TCE —CIS o VC -4--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-02A <br /> Well ID:M-02A <br /> Aquifer:UpperA/B <br /> Top Elevation: 69 100,000 60 <br /> Bottom Elevation:-48.55 <br /> Screen Depth:86-106 <br /> Total Depth: 118 <br /> Diameter: 4" 10,000 50 <br /> Sampling Sched: A <br /> � m <br /> elevations in feet mean sea level Q <br /> depths in feet below ground surface <br /> 1,000 40 <br /> � N <br /> r = <br /> 16 <br /> c 100 30 <br /> o ° <br /> ° ° d <br /> ° ° ' <br /> 0 o <br /> C 10 0 ° ° ° ° ° 20 <br /> ° ° ° ° ° d <br /> V ° ° ° ° o ° ° p ° O li <br /> 10 <br /> o ° <br /> O O O 0 0 0 0 0 0 0 O <br /> 0 0 <br /> Jan-87 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 /> -,-TCE SCIS -*-Vc -4--Water Elevation <br /> Appendix C <br /> Page 2 of 75 <br />