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TABLE 2 <br /> Fourth Quarter 2025 <br /> Landfill Gas Perimeter Migration Monitoring Results <br /> Foothill Sanitary Landfill <br /> Monitoring Date: 12/3/2025 Field Tech: K. Espinoza <br /> Monitoring Well Methane CO2 Oxygen Balance Pressure Note <br /> Probe (%-Vol) (%-Vol) l Inch WC <br /> SG-12 S 0.4 0.6 20.1 78.9 -0.13 <br /> SG-121 0.4 0.6 20.2 78.8 -0.06 <br /> SG-12 D 0.4 0.6 20.2 78.8 -0.83 <br /> SG-102 S 0.3 0.1 21.2 78.4 -0.86 <br /> SG-1021 0.3 0.5 20.7 78.5 0.04 <br /> SG-102 D 0.3 0.1 21.1 78.5 -0.14 <br /> SG-103 S 0.3 0.1 21.2 78.4 -0.81 <br /> SG-1031 0.3 0.5 20.9 78.3 0.05 <br /> SG-103 D 0.3 0.2 21.0 78.5 -0.11 <br /> SG-104 S 0.3 0.2 18.3 81.2 -26.05 <br /> SG-1041 0.3 0.1 21.4 78.2 -0.05 <br /> SG-104 D 0.3 0.5 20.6 78.6 -0.06 <br /> SG-105 S 0.3 0.9 20.1 78.7 0.02 <br /> SG-1051 0.3 0.6 20.7 78.4 -0.02 <br /> SG-105 D 0.3 0.3 21.2 78.2 -0.12 <br /> SG-106 S 0.4 0.5 20.9 78.2 0.01 <br /> SG-1061 0.3 0.3 21.2 78.2 0.04 <br /> SG-106 D 0.3 0.4 20.9 78.4 -0.05 <br /> SG-107 S 0.3 0.5 20.5 78.7 0.19 <br /> SG-1071 0.3 0.3 21.1 78.3 0.20 <br /> SG-107 D 0.3 0.3 21.1 78.3 0.06 <br /> SG-108 S 0.3 0.5 20.5 78.7 0.16 <br /> SG-1081 0.3 0.4 20.1 79.2 0.23 <br /> SG-108 D 0.3 0.2 20.7 78.8 -0.11 <br /> SG-109 S 0.3 0.4 20.5 78.8 0.12 <br /> SG-1091 0.3 0.5 20.0 79.2 0.13 <br /> SG-109 D 0.3 0.3 21.1 78.3 0.09 <br /> SG-110 S 0.3 0.5 21.1 78.1 0.19 <br /> SG-1101 0.3 0.5 21.2 78.0 0.24 <br /> SG-110 D 0.3 0.1 21.8 77.8 -0.04 <br /> SG-111 S 0.3 0.5 21.1 78.1 0.27 <br /> SG-1111 0.3 0.5 21.2 78.0 0.32 <br /> SG-111 D 0.3 0.3 21.3 78.1 0.15 <br /> SG-112 S 0.3 0.7 21.3 77.7 0.37 <br /> SG-1121 0.3 0.5 21.3 77.9 0.45 <br /> SG-112 D 0.3 0.6 20.8 78.3 0.29 <br /> Revised 6-25-12 <br /> N:\1Foothill\LFG Migration Monitoring\2025\4th Qtr\ San Joaquin County <br /> FH_4th Qtr LFG Perim Mig Monit 2025 Wells Sheet 1 of 3 Public Works\Solid Waste <br />