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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-06C1 <br /> Well ID:M-06C1 <br /> Aquifer: Intermediate C Jan-87 Jan-90 Jan-93 Jan-96 Jan-99 Jan-02 Jan-05 Jan-08 Jan-11 <br /> Top Elevation:67.13 100,000 60 <br /> Bottom Elevation:-75.87 <br /> Screen Depth: 129-139 <br /> Total Depth: 143 <br /> Diameter:4" 10,000 50 <br /> Sampling Sched:SA <br /> elevations in feet mean sea level s <br /> depths in feet below ground surface Q- y <br /> Q- 1,000 ° 40 <br /> J y <br /> >a N <br /> y 100 ° ° ° ° 0 30 <br /> •2 O ° poo 00 ° £ <br /> o ° 0 ° 9 ° o ° 0 ° 0 0 0 00O 0 <br /> O o <br /> 0 op ° o <br /> ami 10 ° ° 20 m <br /> v 0 <br /> 0 O 00 O O li <br /> 1 O o 0 10 <br /> 0 0 <br /> cooccz�CO=O 0 0 0 0 0 0 0 0 0 0 <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 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 ppb,but <br /> range from 0.5 to 500 ppb,historically. See Appendix B for specific values. <br /> Well M-06C2 <br /> Well ID:M-06C2 <br /> Aquifer: Intermediate C 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:66.03 100,000 60 <br /> Bottom Elevation:-122.97 <br /> Screen Depth: 177-187 <br /> Total Depth: 189 <br /> Diameter:5" 10,000 50 <br /> Sampling Sched:SA <br /> a � <br /> elevations in feet mean sea level a <br /> CL °/ <br /> depths in feet below ground surface 1,000 40 m <br /> J y <br /> >T N <br /> 1 = <br /> 100 o D o g g0g 30 £ <br /> 0 00PIL ao o p Q A ° L p� o <br /> y 10 0 ° 20 m <br /> A <br /> c 0 p <br /> o O ami <br /> v 1 0 10 LL <br /> O <br /> 00¢ 000 CO=O o 0 0 0 0 0 0 0 0 0 0 0 0 0 001 <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 /> ° TCE 0 CIS O VC -4--Water Elevation <br /> Appendix C <br /> Page 8 of 75 <br />