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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: Foothill Sanitary Landfill Instrument: QED GA 5000,flow specification=550 cc/min=0.194 cu ft/min,field calibration done at time of sampling <br /> Location: 6484 N Waverly Road,Linden,CA 95236 Serial#: G509028 Calibration Date: 9/26/2025 <br /> Date: 3/19/2026 Field Staff: Garrett Backus <br /> Weather Conditions: Clear,55 degrees F Comments: Field Calibration 1: Fresh Air <br /> Bar.Pressure: 29.79 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 /> 1195 10 1 0.05 GA-5000 0.0194 2.8 8:22 AM 8:25 AM 55 0.0 0.0 19.7 0.5 79.8 N/A N/A <br /> 1191 33 1 0.18 GA-5000 0.0194 9.3 8:25 AM 8:35 AM 55 0.0 0.0 20.2 0.6 79.2 N/A N/A <br /> 119D 63 1 0.34 GA-5000 0.0194 17.7 8:35 AM 8:54 AM 55 0.0 0.0 20.4 0.5 79.1 N/A N/A <br /> 120S 10 1 0.05 GA-5000 0.0194 2.8 7:34 AM 7:37 AM 55 0.0 0.0 20.6 0.6 78.8 N/A N/A <br /> 1201 48 1 0.26 GA-5000 0.0194 13.5 7:37 AM 7:51 AM 55 0.0 0.0 20.7 0.6 78.7 N/A N/A <br /> 120D 91 1 0.50 GA-5000 0.0194 25.6 7:51 AM 8:17 AM 55 0.0 0.0 21.0 0.5 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 /> 3/19/2026 amc <br />