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Fourth <br /> Quarter 2011 <br /> Date: Table 1 - Landfill Gas Perimeter Migration Monitoring Data Sheet <br /> By: Foothill Sanitary Landfill <br /> Monitoring Well Methane CO2 Oxygen Balance <br /> Probe %-Vol %-Vol (%-Vol) %-Vol Note <br /> SG-121 S 0.0 0 22.1 77.9 <br /> SG-1211 0.0 0.1 22.1 77.8 <br /> SG-121 D 0.0 0 22.1 77.9 <br /> SG-122 S 0.0 0.6 21.6 77.8 <br /> SG-1221 0.0 0.1 21.9 78 <br /> SG-122 D 0.0 0.1 21.6 78.3 <br /> SG-123 S 0.0 0.6 21.4 78 <br /> SG-1231 0.0 0.6 21.3 78.1 <br /> SG-123 D 0.0 0.1 21.8 78.1 <br /> SG-124 S 0.0 0.3 21.5 78.2 <br /> SG-1241 0.0 0.1 21 78.9 <br /> SG=124 D 0.0 0.1 22.1 77.8 <br /> SG-125 S 0.0 0.1 21.9 78 <br /> SG-1251 0.0 0.1 22 77.9 <br /> SG-125 D 0.0 0.1 22.1 77.8 <br /> Notes: <br /> INSTRUMENT Gem 2000 <br /> Instrument Type IR Absorbtion <br /> Calibration Date 11\07\11 <br /> Calibration Check 11 1071 11 Surface con(High 61 \ Low 37 <br /> Barometric Press 29.89 Wind 5 mph NW <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 /> NA1Foothill\LFG Migrat Monit\201 1\4Qtr\ San Joaquin County <br /> FH-Fourth Qtr Data(Perim).xlsx Sheet 3 of 3 Public Works\Solid Waste <br />