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TABLE 2 - Continued <br /> First Quarter 2025 <br /> Landfill Gas Perimeter Migration Monitoring Results <br /> Foothill Sanitary Landfill <br /> Monitoring Date: 1/22/25 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 0.0 0.6 19.9 79.5 -0.61 <br /> SG-1131 0.0 0.1 20.7 79.2 -0.41 <br /> SG-113 D 0.0 0.2 20.6 79.2 -0.17 <br /> SG-114 S 0.0 0.5 19.9 79.6 -0.03 <br /> SG-1141 0.0 0.4 19.7 79.9 -0.08 <br /> SG-114 D 0.0 0.7 19.8 79.5 -0.11 <br /> SG-115 S 0.0 0.7 19.4 79.9 -0.55 <br /> SG-1151 0.0 0.9 19.8 79.3 -0.31 <br /> SG-115 D 0.0 0.5 19.9 79.6 -0.28 <br /> SG-116 S 0.0 0.4 19.9 79.7 -0.09 <br /> SG-1161 0.0 0.5 19.7 79.8 -0.20 <br /> SG-116 D 0.0 0.6 19.4 80.0 -0.23 <br /> SG-117 S 0.0 0.4 20.2 79.4 -1.39 <br /> SG-1171 0.0 0.6 20.4 79.0 -0.17 <br /> SG-117 D 0.0 0.3 19.8 79.9 -0.24 <br /> SG-118 S 0.0 0.5 20.1 79.4 -0.27 <br /> SG-1181 0.0 0.4 19.8 79.8 -2.46 <br /> SG-118 D 0.0 0.3 20.4 79.3 -0.25 <br /> SG-119 S 0.0 0.2 20.5 79.3 -0.15 <br /> SG-1191 0.0 0.3 20.4 79.3 -0.52 <br /> SG-119 D 0.0 0.4 19.9 79.7 -0.49 <br /> SG-120 S 0.0 0.7 18.7 80.6 -0.18 <br /> SG-1201 0.0 0.6 18.9 80.5 -0.21 <br /> SG-120 D 0.0 0.4 19.1 80.5 -0.22 <br /> SG-121 S 0.0 0.4 19.2 80.4 -0.19 <br /> SG-1211 0.0 0.8 19.7 79.5 -0.20 <br /> SG-121 D 0.0 0.5 20.2 79.3 -0.42 <br /> SG-122 S 0.0 0.3 19.1 80.6 -0.25 <br /> SG-1221 0.0 0.5 19.5 80.0 -0.23 <br /> SG-122 D 0.0 0.4 19.7 79.9 -0.21 <br /> SG-123 S 0.0 0.2 19.3 80.5 -0.08 <br /> SG-1231 0.0 0.3 18.9 80.8 -0.11 <br /> SG-123 D 0.0 0.7 19.5 79.8 -0.15 <br /> SG-124 S 0.0 0.5 20.1 79.4 -0.18 <br /> SG-1241 0.0 0.6 19.9 79.5 -0.22 <br /> SG-124 D 0.0 0.9 20.4 78.7 -0.20 <br /> Revised 6-25-12 <br /> NA1Foothill\LFG Migration Monitoring\2025\1st Qtr\ San Joaquin County <br /> FH_1st Qtr LFG Perim Mig Monit 2025 Wells Sheet 2 of 3 Public Works\Solid Waste <br />