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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-08B <br /> Well ID: M-08B Jan-87 Jan-90 Jan-93 Jan-96 Jan-99 Jan-02 Jan-05 Jan-08 Jan-11 <br /> Aquifer: Upper A/B 100,000 60 <br /> Top Elevation:65.92 <br /> Bottom Elevation:23.92 <br /> Screen Depth:21-41 <br /> Total Depth:42 <br /> Diameter:4" 10,000 50 <br /> Sampling Sched:A <br /> elevations in feet mean sea level <br /> depths in feet below ground surfaceQ. 1,000 °°A °° 0 40 <br /> C. ° Q° ° p <br /> J <br /> H 100 0 0 0 ° o 0 30 E <br /> c <br /> 0 <br /> d <br /> Y O 0000 00 0 0 0 ° 0 <br /> ° <br /> 10 °° 20 <br /> c o c <br /> 0 <br /> C1 O o ° ° ti <br /> 1 o m 10 <br /> 0 0 0 0 0 00 <br /> 0 0 <br /> Jan-87 Jan-90 Jan-93 Jan-96 Jan-99 Jan-02 Jan-05 Jan-08 Jan-11 <br /> 0 TCE SCIS -9-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-08A <br /> Jan-87 Jan-90 Jan-93 Jan-96 Jan-99 Jan-02 Jan-05 Jan-08 Jan-11 <br /> Well ID: M-08A 100,000 60 <br /> Aquifer: Upper A/B <br /> Top Elevation:64.70 <br /> Bottom Elevation:-50.3 <br /> Screen Depth:91-111 <br /> Total Depth: 115 <br /> Diameter:4" 10,000 50 <br /> Sampling Sched:A <br /> elevations in feet mean sea level <br /> depths in feet below ground surface 411 <br /> 0' 1,000 40 m <br /> C_ <br /> J <br /> d <br /> � N <br /> N o d <br /> p 100 p 000 o° 0 30 E <br /> ° ,a�° a <br /> ° °0140 Z_\ A ° <br /> 0 10 O ° 0 9 20 y <br /> ° > O LL <br /> A o <br /> ° ° 8 <br /> 0 ° <br /> O 10 <br /> ° <br /> 00 coo (D O 0 0 0 0 0 M <br /> 0 0 <br /> Jan-87 Jan-90 Jan-93 Jan-96 Jan-99 Jan-02 Jan-05 Jan-08 Jan-11 <br /> -, TCE SCIS -*-VC ♦Water Elevation <br /> Appendix C <br /> Page 11 of 75 <br />