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Third <br /> Quarter 2012 <br /> Table 1 - Landfill Gas Perimeter Migration Monitoring Data Sheet <br /> Date: 7/10/2012 Foothill Sanitary Landfill <br /> By: B. Closs <br /> Monitoring Well Methane CO2 Oxygen Balance Pressure <br /> Probe %-Vol %-Vol %-Vol %-Vol Inch WC Note <br /> SG-121 S 0.0 0.1 18.8 81.1 0.100 <br /> SG-1211 0.0 0.1 18.5 81.4 0.575 <br /> SG-121 D 0.0 0.1 18.4 81.5 0.625 <br /> SG-122 S 0.0 0.2 18.5 81.3 0.100 <br /> SG-1221 0.0 0.3 18.3 81.4 0.350 <br /> SG-122 D 0.0 0.3 18.4 81.3 0.650 <br /> SG-123 S 0.0 0.3 18.5 81.2 0.225 <br /> SG-1231 0.0 0.2 18.5 81.3 0.525 <br /> SG-123 D 0.0 0.3 18.4 81.3 0.825 <br /> SG-124 S 0.0 0.1 18.5 81.4 0.150 <br /> SG-1241 0.0 0.1 18.6 81.3 0.500 <br /> SG-124 D 0.0 0.2 18.4 81.4 0.850 <br /> SG-125 S 0.0 0.2 18.1 81.7 0.100 <br /> SG-1251 0.0 0.2 18.3 81.5 0.600 <br /> SG-125 D 0.0 0.3 18.4 81.3 0.750 <br /> Notes: <br /> Date 7/10/2012 <br /> Temp 74° F <br /> Barro Pressure 29.62 In Hg <br /> Conditions Sunny & Clear <br /> Wind 4 MPH-W <br /> INSTRUMENT Gem 2000 <br /> Instrument Type IR Absorbtion <br /> Calibration Date 6/25/2012 <br /> Calibration Check 50% CH4 Surface conditions <br /> Barometric Pressure Wind <br /> Revised 6-25-12 <br /> N:\1Foothill\LFG Migrat Monit\2012\3Qtr\ San Joaquin County <br /> FH Third Qtr Data-Perim.xlsx Sheet 3 of 3 Public Works\Solid Waste <br />