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TABLE 2 - Continued <br /> Fourth Quarter 2025 <br /> Landfill Gas Perimeter Migration Monitoring Results <br /> Foothill Sanitary Landfill <br /> Monitoring Date: 12/3/2025 Certified By: K. Espinoza <br /> Monitoring Well Methane CO2 Oxygen Balance Pressure Note <br /> Probe (%-Vol) (%-Vol) (%-Vol) (%-Vol Inch WC <br /> SG-113 S 0.3 0.9 20.9 77.9 -0.56 <br /> SG-1131 0.3 0.3 21.7 77.7 0.48 <br /> SG-113 D 0.3 0.6 21.4 77.7 0.50 <br /> SG-114 S 0.3 0.6 21.2 77.9 0.32 <br /> SG-1141 0.3 0.5 21.1 78.1 0.56 <br /> SG-114 D 0.3 0.4 21.3 78.0 0.55 <br /> SG-115 S 0.3 1.0 20.1 78.6 0.26 <br /> SG-1151 0.3 0.7 20.9 78.1 0.59 <br /> SG-115 D 0.3 0.4 21.3 78.0 0.75 <br /> SG-116 S 0.3 0.6 20.2 78.9 0.30 <br /> SG-1161 0.3 0.6 21.1 78.0 0.66 <br /> SG-116 D 0.4 0.5 21.2 77.9 0.83 <br /> SG-117 S 0.4 0.5 21.4 77.7 -0.90 <br /> SG-1171 0.3 0.6 21.5 77.6 0.63 <br /> SG-117 D 0.3 0.5 21.4 77.8 0.80 <br /> SG-118 S 0.4 0.7 19.7 79.2 -6.63 <br /> SG-1181 0.4 0.7 19.8 79.1 -6.82 <br /> SG-118 D 0.4 0.5 20.3 78.8 -0.54 <br /> SG-119 S 0.3 0.5 20.2 79.0 -0.26 <br /> SG-1191 0.3 0.6 20.3 78.8 -0.43 <br /> SG-119 D 0.3 0.5 20.1 79.1 -0.63 <br /> SG-120 S 0.3 0.5 20.6 78.6 -0.20 <br /> SG-1201 0.3 0.5 20.7 78.5 -0.42 <br /> SG-120 D 0.3 0.4 20.9 78.4 -0.49 <br /> SG-121 S 0.3 0.3 20.4 79.0 -0.63 <br /> SG-1211 0.2 0.3 20.9 78.6 -0.51 <br /> SG-121 D 0.3 0.0 21.5 78.2 -0.06 <br /> SG-122 S 0.3 0.4 20.3 79.0 0.11 <br /> SG-1221 0.3 0.3 21.0 78.4 -0.11 <br /> SG-122 D 0.3 0.4 20.8 78.5 -0.34 <br /> SG-123 S 0.2 0.5 20.6 78.7 -0.25 <br /> SG-1231 0.2 0.5 20.5 78.8 -0.23 <br /> SG-123 D 0.2 0.4 20.7 78.7 -0.47 <br /> SG-124 S 0.2 0.3 20.8 78.7 -0.01 <br /> SG-1241 0.2 0.3 20.8 78.7 -0.21 <br /> SG-124 D 0.2 0.3 20.8 78.7 -0.35 <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 2 of 3 Public Works\Solid Waste <br />