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'Recycle California Department of Resources Recycling and Recovery Log-sheet <br /> 1001 Street-Sacramento,CA Recycling <br /> Waste Permitting Compliance 8 Mitigation Division <br /> (Engineering Support Branch) <br /> Project: North County Landfill Instrument: QED GA 5000,flow specification=550 cc/min=0.194 cu ft/min,field calibration done at time of sampling <br /> Location: 17720 E Harney Lane,Lodi,CA 95240 Serial#: G510512 Calibration Date: 3/28/2025 <br /> Date: 2/27/2026 Field Staff: Garrett Backus <br /> Weather Conditions: 55 degrees F,clear Comments: Field Calibration 1: Fresh Air <br /> Bar.Pressure: 30.08 inches Field Calibration 2: 4%02,balance N2,part#QED CG-00-00,lot#4517081,C of A on file <br /> Field Calibration 3:50%CH4,35%CO2,part#QED CG-50-35,lot#4307601,C of A on file. <br /> • Field Observations <br /> example 100 0.5 0.14 GA-5000 0.0194 7.0 <br /> 19S 12 1 0.07 GA-5000 0.0194 3.4 8:55 AM 9:01 AM 55 0.0 0.0 20.0 0.1 79.9 N/A N/A <br /> 191 45 1 0.25 GA-5000 0.0194 12.6 9:01 AM 9:20 AM 55 0.0 0.0 17.9 1.2 80.9 N/A N/A <br /> 19D 87 1 0.47 GA-5000 0.0194 24.4 9:21 AM 9:51 AM 55 0.0 0.0 18.7 0.5 80.8 N/A N/A <br /> 21 S 12 1 0.07 GA-5000 0.0194 3.4 7:47 AM 7:52 AM 55 0.0 0.0 20.1 0.3 79.7 N/A N/A <br /> 211 40 1 0.22 GA-5000 0.0194 11.2 7:52 AM 8:11 AM 55 0.0 0.0 18.8 0.9 80.3 N/A N/A <br /> 21 D 78 1 0.43 GA-5000 0.0194 21.9 8:11 AM 8:41 AM 55 0.0 0.0 20.8 0.3 78.9 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 /> 3/2/2026 amc <br />