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On-site Structure Gas Monitoring Data Sheet <br />Foothill Sanitary Landfill <br />Measurements Taken: .3 Z <br />Monitoring Location <br />Methane <br />Oxygen <br />Carbon <br />Balance <br />(%-Vol)(%-Vol)Dioxide <br />CO2 <br />° <br />(%-Vol) <br />Scalehouse, <br />Interior Air <br />�- 0 <br />/Y/,Ol <br />/A <br />Scalehouse, <br />Electrical Conduit Entry <br />/Y <br />1 YR <br />Maintenance Bldg., <br />Interior Air <br />Nloi <br />Maintenance Bldg., <br />Electrical Conduit Entry <br />Manager's Residence, <br />_ Crawl Space <br />, <br />Manager's Residence, <br />Electrical Conduit Entry <br />Residence south of Access Road, <br />Crawl Space <br />Residence South of Access Road, <br />l <br />I <br />Electrical Conduit Ent <br />NOTES: <br />ABBREVIATIONS: <br />Temp: —dO E , Wind: N1�1 <br />%-Vol = Percent by <br />Volume <br />Instrument: G/k1 ,S'®® <br />Sampler: 2%n JP4ns06 <br />DRAFT — subject to revision as needed to improve monitoring <br />Note: SG -1 and SG -11 are not compliance points for combustible gas migration <br />INSTRUMENT: LANDTEC GEM 500 <br />DATE: '311,31o4,r <br />CALIBRAT D BY: <br />GAS <br />CALIBRATION <br />GAS USED <br />READING PRIOR TO <br />CALIBRATION <br />READING AFTER <br />CALIBRATION <br />CH4 <br />CO2 <br />02 <br />Foothill Landfill Methane Monitoring Public Works/Solid Waste <br />Revised Oct 6, 2005 County of San Joaquin <br />