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0 Secound Quarter 2011 <br /> Table 1 - Landfill Gas Perimeter Migration Monito ing Data Sheet <br /> Date:05/02/11 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 18.1 81.9 <br /> SG-1211 0.0 0 18 82 <br /> SG-121 D 0.0 0 18 82 <br /> SG-122 S 0.0 0 16.7 83.3 <br /> SG-1221 0.0 0.1 16.9 83 <br /> SG-122 D 0.0 0.1 18 81.9 <br /> SG-123 S 0.0 0.1 17.2 82.7 <br /> SG-1231 0.0 0.1 17.3 82.6 <br /> SG-123 D 0.0 0.1 17.9 82 <br /> SG-124 S 0.0 0 17.1 82.9 <br /> SG-1241 0.0 0 17.2 82.8 <br /> SG-124 D 0.0 0 16.8 83.2 <br /> SG-125 S 0.0 0 16.9 83.1 <br /> SG-1251 0.0 0 17.7 82.3 <br /> SG-125 D 0.0 0 17.8 82.2 <br /> Notes: <br /> INSTRUMENT Gem 2000 <br /> Instrument Type IR Absorbtion <br /> Calibration Date 2-May-11 <br /> Calibration Check L. Batterson Surface conditions: dry <br /> Barometric Pressure 29.69 Wind 5 mph SE <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 /> Revised 6-25-12 <br /> N:\1Foothill\LFG Migrat Monit\201 1\2Qtr\ San Joaquin County <br /> FH-2nd Qtr Data(Perim).xlsx Sheet 3 of 3 Public Works\Solid Waste <br />