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Cal Recycle California Department of Resources Recycling and Recovery Log-sheet <br /> 1001 of -Sacramento,CA Recycling <br /> Waste Permitting Compliance&Mitigation Division <br /> (Engineering Support Branch) <br /> Project: North County Landfill Instrument: QED GA 5000,flowspecification=550 cc/min=0.194 cu It/min,field calibration done at time of sampling <br /> Location: 17720 E Harney Lane,Lodi,CA 95240 Serial#: G509028 Calibration Date: 9/26/2025 <br /> Date: 4/2 812 0 2 6 Field Staff: Garrett Backus <br /> Weather Conditions: 55 degrees F,clear Comments: Field Calibration 1: Fresh Air <br /> Bar.Pressure: 29.98 inches Field Calibration 2: 4%02,balance N2,part#QED CG-00-00,lot#4517081,C of A on file <br /> Field Calibration 3:15%CH4,15%CO2,lot#304-403559228-1,C of A on file. <br /> MonitoringProbe Purge Calculations Data JL JL <br /> Field Observations <br /> Inside <br /> Probe PurqmAn <br /> Probe Diameter • Start .p Initial CH4 CH4 02 CO2 Balance H2S Co <br /> Pip•- <br /> example 100 0.5 0.14 GA-5000 0.0194 7.0 <br /> 21S 12 1 0.07 GA-5000 0.0194 3.4 8:17 AM 8:21 AM 55 0.0 0.0 20.7 0.3 79.0 N/A N/A <br /> 211 40 1 0.22 GA-5000 0.0194 11.2 8:21 AM 8:33 AM 55 0.0 0.0 18.7 0.9 80.4 N/A N/A <br /> 21 D 78 1 0.43 GA-5000 0.0194 21.9 8:33 AM 8:55 AM 55 0.0 0.0 19.4 0.1 80.5 N/A N/A <br /> is 8 1 0.04 GA-5000 0.0194 2.2 9:00 AM 9:03 AM 55 0.0 0.1 18.2 1.5 80.1 N/A N/A <br /> 11 28 1 0.15 GA-5000 0.0194 7.9 9:04 AM 9:12 AM 55 0.0 0.0 19.5 0.4 80.1 N/A N/A <br /> 1 D 47 1 0.26 GA-5000 0.0194 13.2 9:13 AM 9:29 AM 55 0.0 0.0 18.5 1.2 80.3 N/A N/A <br /> Notes: <br /> (1)Yellow highlighted columns are calculated from non-highlighted inputted data. <br /> (2)Purge time:to determine seconds,multiply the number after decimal by 60.For example,for 1.2 minutes,multiply 0.2 by 60=12.Total purge time then is 1 minute,12 seconds. <br /> (3)Start Time:Record time when meter is turned on to purge. <br /> (4)End Time:Record time when final measurements are taken. <br /> (5)Initial CH4 is the highest reading exhibited anytime during the purge window. <br /> 5/5/2026 a= <br />