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First Quarter 2011 0 <br /> Table 1 - Land i I Gas Perimeter Migration Monitoring Data Sheet <br /> Date: 2\8\11 Foothill Sanitary Landfill <br /> By: L. Batterson <br /> Monitoring Well Methane CO2 Oxygen Balance <br /> Probe %-Vol %-Vol (%-Vol) (%-Vol) Note <br /> SG-121 S 0.0 0.3 19.1 80.6 <br /> SG-121 1 0.0 0.4 19.1 80.5 <br /> SG-121 D 0.0 0.1 19.4 80.5 <br /> SG-122 S 0.0 0.3 18.7 81.0 <br /> SG-1221 0.0 0.4 18.9 80.7 <br /> SG-122 D 0.0 0.4 19.0 80.6 <br /> SG-123 S 0.0 0.4 18.9 80.7 <br /> SG-1231 0.0 0.5 18.9 80.6 <br /> SG-123 D 0.0 0.4 19.3 80.3 <br /> SG-124 S 0.0 0.3 18.5 81.2 <br /> SG-1241 0.0 0.3 18.6 81.1 <br /> SG-124 D 0.0 0.1 18.1 81.8 <br /> SG-125 S 0.0 0.7 18.8 19.5 <br /> SG-1251 0.0 0.5 19.9 79.6 <br /> SG-125 D 0.0 0.4 19.4 80.2 <br /> Notes: <br /> INSTRUMENT Gem 2000 <br /> Instrument Type IR Absorbtion <br /> Calibration Date 8-Feb-11 <br /> Calibration Check LSB Surface con(41 -60 Deg. <br /> Barometric Press 29.68 Wind 30 -41 Mph. <br /> Abbreviations: <br /> SG-"n" = Soil Gas Monitoring Well <br /> S= Shallow Probe, 1= Intermediate Probe, D = Deep Probe <br /> %-Vol = Percent by Volume <br /> Instrument Calibration Date: <br /> Revised 6-25-12 <br /> N:\1Foothill\LFG Migrat Monit\2011\1 Qtr\ San Joaquin County <br /> FH_1 St Qtr Data(Perim).xlsx Page 3 of 3 Public Works\Solid Waste <br />