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California Department of Resources Recycling and Recovery Log-sheet <br /> CalRecycleo1001 I Street-Sacramento,CA 95814 <br /> Waste Permitting Compliance&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 #: G509028 Calibration Date: 9/26/2025 <br /> Date: 3/26/2026 Field Staff: Garrett Backus <br /> Weather Conditions: 54 degrees F, clear Comments: Field Calibration 1: Fresh Air <br /> Bar. Pressure: 29.89 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 /> gum-ME <br /> . . . . <br /> example 100 0.5 0.14 GA-5000 0.0194 7.0 <br /> 2S 8 1 0.04 GA-5000 0.0194 2.2 7:51 AM 7:54 AM 54 0.0 0.0 17.2 4.2 78.6 N/A N/A <br /> 21 28 1 0.15 GA-5000 0.0194 7.9 7:54 AM 8:03 AM 54 0.0 0.0 21.3 0.1 78.6 N/A N/A <br /> 2D 47 1 0.26 GA-5000 0.0194 13.2 8:03 AM 8:17 AM 54 0.0 0.0 19.2 0.9 79.9 N/A N/A <br /> is 8 1 0.04 GA-5000 0.0194 2.2 8:20 AM 8:23 AM 54 0.0 0.0 16.5 4.8 78.7 N/A N/A <br /> 11 28 1 0.15 GA-5000 0.0194 7.9 8:23 AM 8:31 AM 54 0.0 0.0 15.9 5.1 78.9 N/A N/A <br /> 1 D 47 1 0.26 GA-5000 0.0194 13.2 8:31 AM 8:45 AM 54 0.0 0.0 19.3 2.1 78.6 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 /> 4/1/2026 a me <br />