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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-09B <br /> Well ID: M-09B <br /> Aquifer: Upper A/B <br /> Top Elevation:64.44 Jan-87 Jan-90 Jan-93 Jan-96 Jan-99 Jan-02 Jan-05 Jan-08 Jan-11 <br /> Bottom Elevation:26.44 100,000 60 <br /> Screen Depth: 17-37 <br /> Total Depth:38 <br /> Diameter:4" <br /> Sampling Sched:A 10,000 50 <br /> elevations in feet mean sea level <br /> depths in feet below ground surface <br /> > <br /> C 1,000 40 <br /> J R <br /> d <br /> N <br /> 7. C <br /> G100 30 £ <br /> — m <br /> R > <br /> L Q <br /> C 10 0 ° A ° o ° 0 20 <br /> O N <br /> U A o o o o A A A A 1i <br /> 1 A O o 10 <br /> A <br /> 0 0 0 O O 00 O O O O O O O O O O O O O 0 O <br /> 0 0 <br /> Jan-87 Jan-90 Jan-93 Jan-96 Jan-99 Jan-02 Jan-05 Jan-08 Jan-11 <br /> A TCE o CIS 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-09A <br /> Well ID: M-09A <br /> Aquifer: Upper A/B <br /> Top Elevation:64.14 Jan-87 Jan-90 Jan-93 Jan-96 Jan-99 Jan-02 Jan-05 Jan-08 Jan-11 <br /> Bottom Elevation:-47.86 100,000 60 <br /> Screen Depth:90-110 <br /> Total Depth: 112 <br /> Diameter:4" <br /> Sampling Sched:A IV <br /> 10,000 50 <br /> elevations in feet mean sea level <br /> depths in feet below ground surface ^ <br /> > <br /> o. > <br /> Q. 1,000 40 2 <br /> J � <br /> N <br /> � N <br /> c100 A Z °o o° ° 0 8 0 ° 30 4) <br /> o d <br /> AO AL A� A ° A a A A A A A > <br /> o AA O v A A m <br /> v 10 po A o 0 20 <br /> Ug A 00 A O O O d <br /> 0 O 0 ° LL <br /> 1 ° 0 10 <br /> 0 00=0 O OOOO O O O 0 0 O O O O O O <br /> 0 0 <br /> Jan-87 Jan-90 Jan-93 Jan-96 Jan-99 Jan-02 Jan-05 Jan-08 Jan-11 <br /> o TCE SCIS o VC —*—Water Elevation <br /> Appendix C <br /> Page 13 of 75 <br />