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1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />Subsurface Landfill Gas Perimeter Monitoring Data Sheet <br />Foothill Sanitary Landfill <br />Date: <br />Monitoring <br />Well <br />Probe Depth <br />(feet) <br />Methane <br />(%-Vol) <br />Oxygen <br />(%-Vol) <br />Carbon <br />Dioxide <br />-Vol * <br />Balance <br />(%-Vol) <br />SG -2 <br />40 <br />SG -3 <br />38 <br />SG -4 <br />25 <br />SG -5 <br />25 <br />SG -6 <br />42 <br />SG -7 <br />30 <br />SG -8 <br />66 <br />SG -9 <br />62 <br />SG -10 <br />68 <br />SG -12, <br />shallow <br />15 <br />SG -12, <br />intermediate <br />28.5 <br />SG -12, <br />deep <br />48.5 <br />NOTES: <br />ABBREVIATIONS: <br />Temp: Wind: <br />SG -"n" _ <br />Soil Gas Monitoring Well <br />Barometric Pressure: <br />%-Vol = Percent by Volume <br />Instrument: <br />S = Shallow Probe <br />Technician: <br />I = Intermediate Probe <br />D = Deep Probe <br />DRAFT — subject to revision as needed to improve monitoring <br />NA1 Foothill\LFG Monitoring\LFGperimMonit\GasMonitPlan-Forms\MethaneMonProg.doc <br />Foothill Landfill Methane Monitoring <br />Revised Oct 6, 2005 <br />Public Works/Solid Waste <br />County of San Joaquin <br />