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Fourth <br /> Quarter 2012 <br /> Table 1 - Landfill Gas Perimeter Migration Monitoring Data Sheet <br /> Date:10/1/2012 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 0.0 19.2 80.8 -0.050 <br /> SG-1211 0.0 0.0 19.1 80.9 -0.300 <br /> SG-121 D 0.0 0.1 18.6 81.3 -0.450 <br /> SG-122 S 0.0 0.0 19.1 80.9 -0.025 <br /> SG-1221 0.0 0.1 19.1 80.8 -0.175 <br /> SG-122 D 0.0 0.3 18.2 81.5 -0.400 <br /> SG-123 S 0.0 0.0 19.3 80.7 -0.125 <br /> SG-1231 0.0 0.0 19.2 80.8 -0.250 <br /> SG-123 D 0.0 0.0 19.2 80.8 -0.500 <br /> SG-124 S 0.0 0.1 18.9 81.0 -0.050 <br /> SG-1241 0.0 0.0 19.2 80.8 -0.250 <br /> SG-124 D 0.0 0.3 18.4 81.3 -0.650 <br /> SG-125 S 0.0 0.4 18.8 80.8 -0.100 <br /> SG-1251 0.0 0.6 18.6 80.8 -0.400 <br /> SG-125 D 0.0 0.7 18.4 80.9 -0.550 <br /> Notes: <br /> Date 10/1/2012 <br /> Temp 77° F <br /> Barro Pressure 29.69 In Hg <br /> Conditions Sunny, Clear Skies <br /> Wind MPH-2- NNE <br /> INSTRUMENT Gem 2000 <br /> Instrument Type IR Absorbtion <br /> Calibration Date 9/27/2012 <br /> Calibration Check 50% CH4 Surface conditions <br /> Barometric Pressure Wind <br /> Revised 6-25-12 <br /> N:\1 Foothill\LFG Migrat Monit\2012\4Qtr\ San Joaquin County <br /> FN Fourth Qtr Data-Perim.xlsx Sheet 3 of 3 Public Works\Solid Waste <br />