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Monitoring Well Methane CO2 Oxygen Balance Pressure <br />Probe (%-Vol)(%-Vol)(%-Vol)(%-Vol)(Inch WC) <br />SG-01 0.2 0.5 18.5 80.8 -2.04 <br />SG-02AD 0.0 0.2 18.3 81.5 -1.26 <br />SG-02AI 0.0 0.4 15.0 84.6 -0.87 <br />SG-02AS 0.1 1.0 18.2 80.7 -0.55 <br />SG-03AD 0.0 0.1 19.4 80.5 -1.90 <br />SG-03AI 0.0 4.8 10.8 84.4 -0.38 <br />SG-03AS 0.0 2.9 18.0 79.1 -0.18 <br />SG-04 0.0 1.5 19.2 79.3 -0.31 <br />SG-05 0.0 0.6 19.8 79.6 -0.15 <br />SG-06AD 0.0 0.2 20.2 79.6 -1.13 <br />SG-06AI 0.0 0.7 20.5 78.8 -0.48 <br />SG-06AS 0.0 1.0 20.3 78.7 -0.16 <br />SG-07 0.0 0.8 19.9 79.3 -0.33 <br />SG-09 0.0 0.3 20.8 78.9 -0.34 <br />SG-10AD 0.0 0.1 20.4 79.5 -0.02 <br />SG-11AD 0.1 0.1 18.7 81.1 -1.19 <br />SG-11AI 0.0 0.3 20.1 79.6 -0.80 <br />SG-11AS 0.1 0.1 20.6 79.2 -0.45 <br />Notes: <br />Temperature: 46°F <br />Barrometric: Pressure: 30.38" Hg <br />Instrument Type:IR Absorbtion <br />Calibration Date: <br />Calibration Check:50% CH4 <br />Abbreviations: <br />SG-"n" = Soil Gas Monitoring Well <br />S= Shallow Probe, I= Intermediate Probe, D = Deep Probe <br />%-Vol = Percent by Volume <br />Conditions: Sunny <br />Wind Speed (MPH): 4 mph <br />Direction: N <br />INSTRUMENT: Gem 5000 <br />January 22, 2025 <br />Note <br />Landfill Gas Monthly Perimeter Migration Monitoring Results <br />Foothill Sanitary Landfill <br />Monitoring Date: 1/22/2025 Certified By: Meng Lo <br /> Created: 2/4/2025 <br /> N:\1Foothill\LFG Migration Monitoring\2025\1st Qtr\ <br /> FH_1st Qtr LFG Perim Mig Monit 2025 Interior Wells Sheet 1 of 1 San Joaquin County <br />Public Works\Solid Waste