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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-21C1 <br /> Well ID:M-21C1 <br /> Aquifer:Intermediate C Mar-91 Mar-93 Mar-95 Mar-97 Mar-99 Mar-01 Mar-03 Mar-05 Mar-07 Mar-09 Mar-11 <br /> Top Elevation:61.7 100,000 60 <br /> Bottom Elevation:-83.3 <br /> Screen Depth:125-145 <br /> Total Depth:145 <br /> Diameter:5' 10,000 50 <br /> Sampling Schad:Q a i <br /> eleva6'ons in feet mean sea level 1,000 40 16 <br /> depths in feet below ground surface N <br /> iL <br /> � N <br /> S C <br /> 16 <br /> c 100 30 E <br /> — m <br /> m > <br /> 0 <br /> y 10 ° o ° 20 m <br /> U o 0 00 0 0 <br /> � o000 00 0 00 0 0 <br /> 0 ° °°°°mm°°tm°mAAAAAf 10 y <br /> U 1 0 0 ❑ o° 10 LL <br /> 0 0 oA <br /> ❑O GOO❑❑ GO ❑ O❑ ❑ ❑ 0 ❑ 000CYY OM0000000 m0000=0 QCC00000❑00 <br /> 0 0 <br /> Mar-91 Mar-93 Mar-95 Mar-97 Mar-99 Mar-01 Mar-03 Mar-05 Mar-07 Mar-09 Mar-11 <br /> TCE —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-21D <br /> Well ID:M-21D <br /> Aquifer:Lower D <br /> 61.83 <br /> Top Elevation:61.83 Mar-91 Mar-93 Mar-95 Mar-97 Mar-99 Mar-01 Mar-03 Mar-05 Mar-07 Mar-09 Mar-11 <br /> Bottom Elevation:-173.17 100,000 60 <br /> Screen Depth:215-235 <br /> Total Depth:235 <br /> Diameter:5' <br /> Sampling Schad:Q 10,000 50 <br /> elevations in feet mean sea level Q. <br /> depths in feet below ground suit— O. <br /> J 1,000 40 <br /> p N <br /> S � <br /> 0 100 30 EQ <br /> — m <br /> R > <br /> O <br /> 10 20 <br /> 0 d <br /> 0 <br /> U o°Do Ao ti <br /> 1 p 4 O p o 0 O o 0 0 0 0 ° o Wo°coo°0000000 10 <br /> 00 000 0 O 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 MO CTdACXXX=O <br /> 0 0 <br /> Mar-91 Mar-93 Mar-95 Mar-97 Mar-99 Mar-01 Mar-03 Mar-05 Mar-07 Mar-09 Mar-11 <br /> A TCE o CIS VC -Water Elevation <br /> Appendix C <br /> Page 30 of 75 <br />