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Second Quarter 2013 <br /> Table 1 - Land as Perimeter Migration Monitoeb Data Sheet <br /> Date: 4/8/2013 and 4/9/2013 Foothill Sanitary Landfill <br /> By: B Closs <br /> Monitoring Well Methane CO2 Oxygen Balance Pressure Note <br /> Probe %-Vol %-Vol %-Vol (%-Vol) Inch WC <br /> SG-125 S 0.0 0.3 19.5 80.2 0.100 4/8/2013 <br /> SG-1251 0.0 0.3 19.8 79.9 0.600 <br /> SG-125 D 0.0 0.3 19.5 80.2 1.000 <br /> Notes: <br /> Date and 4/9/2013 4/9/2013 <br /> Temp 54 ° F 68 ' F <br /> Barro Pressure 29.97 In Hg 30.04 In Hg <br /> Conditions Sunny, Clear Skies Sunny, Clear Skies <br /> Wind Speed (MPH) 15 18 Gust to 28 <br /> Direction NNW NNW <br /> INSTRUMENT Gem 2000 <br /> Instrument Type IR Absorbtion <br /> Calibration Date 3/27/2013 <br /> Calibration Check 50% CH4 <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\2013\2Qtr\ San Joaquin County <br /> FH Second Qtr Data-Perim.xlsx Sheet 3 of 3 Public Works\Solid waste <br />