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Cal Recycle California Department of Resources Recycling and Recovery Log-sheet <br /> 100 Street-Sacramento,CA Recycling <br /> Waste Permitting Compliance&Mitigation Division <br /> (Engineering Support Branch) <br /> Project: Forward Landfill Instrument: QED GA 5000,flow specification=550 cc/min=0.194 cu ft/min <br /> Location: 9999 S Austin Rd,Manteca CA 95336 Serial#: G510512 Calibration Date: 3/23/2026 <br /> Date: 23-Mar-26 Field Staff: Sandip Singh <br /> Weather Conditions: 72 F with 3 mph S wind Comments: Field Calibration 1:Fresh Air <br /> Bar.Pressure: 30.01 in Field Calibration 2:50%CH4,35%CO2,part#QED CG-50-35,lot#4307601 <br /> Field Calibration 3:4%02,balance N2,part#QED CG-00-00,lot#4517081 <br /> Field Observations <br /> (see calcs below) <br /> EXAMPLE 100 0.5 0.14 GEM-5000 .0194 7.0 <br /> GP-17 SHALLOW 10 0.5 0.01 GEM-5000 .0194 0.7 11:57 AM 11:57 AM 74 0 0 16.2 2.2 81.6 <br /> INTERMEDIATE 22.5 0.5 0.03 GEM-5000 .0194 1.6 12:00 PM 12:02 74 0 0 17.1 1.1 81.8 <br /> DEEP 35 0.5 0.05 GEM-5000 .0194 2.5 12:06 PM 12:08 74 0 0 17.4 1 81.7 <br /> GP-18 SHALLOW 10 0.5 0.01 GEM-5000 .0194 0.7 11:31 AM 11:32 AM 72 0 0 18.7 0.8 80.5 <br /> INTERMEDIATE 22.5 0.5 0.03 GEM-5000 .0194 1.6 11:35 AM 11:36 AM 72 0 0 17.2 2.5 80.2 <br /> DEEP 35 0.5 0.05 GEM-5000 .0194 2.5 11:41 AM 1143 AM 72 0 0 16.6 2.4 81 <br /> GP-27 SHALLOW 10 0.75 0.03 GEM-5000 .0194 1.6 12:17 PM 12:19 PM 74 0 0 18.9 0.1 81 <br /> INTERMEDIATE 21 0.75 0.06 GEM-5000 .0194 3.3 12:20 PM 12:23 PM 74 0 0 18.4 0.5 81.1 <br /> DEEP 35 0.75 0.11 GEM-5000 .0194 5.5 12:24 PM 12:30PM 74 0 0 18.6 0.5 80.9 <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 /> 3/25/2026 amc <br />