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SECOND QUARTER 2023TABLE 2. GCCS WELLFIELD MONITORING DATAFORWARD LANDFILL, MANTECA, CALIFORNIAPoint Name Record DateCH4(% by vol)CO2(% by vol)O2(% by vol)Bal Gas(% by vol)Init Temp(F)Adj Temp(F)Init Static Pressure("H2O)Adj Static Pressure("H20)Init Flow(scfm)Adj Flow(scfm)System Pressure("H20)A12‐03(IT) 5/23/2023 10:54:52 AM 12.1 8.5 15.1 64.3 72.7 72.6‐11.92‐11.92 100.5 64.4‐11.06A12‐03(IT) 5/23/2023 10:57:01 AM 15.6 11.3 14.2 58.9 71.5 71.5‐10.07‐10.07 67.2 67.2‐11.76A12‐03(IT) 6/6/2023 10:13:20 AM 29.1 22.5 10.1 38.3 78.9 78.9‐9.80‐9.80 12.0 12.2‐20.08A12‐03(IT) 6/16/2023 10:44:22 AM 36.3 28.3 6.7 28.7 83.4 83.4‐7.48‐7.48 17.4 17.2‐19.26A12‐03(IT) 6/16/2023 10:45:58 AM 28.6 21.0 9.5 40.9 84.0 84.0‐6.30‐6.30 20.5 20.5‐18.97A12‐04(IT) 4/13/2023 12:16:05 PM 59.5 38.9 1.0 0.6 120.3 120.4‐18.83‐18.82 64.1 64.2‐19.71A12‐04(IT) 4/20/2023 10:23:16 AM 57.4 40.5 0.0 2.1 137.1 137.2‐17.71‐17.74 19.7 25.9‐20.35A12‐04(IT) 4/27/2023 9:22:06 AMA12‐04(IT) 5/1/2023 9:43:26 AM 55.3 41.0 0.7 3.0 133.4 133.4‐16.44‐16.46 29.8‐19.89A12‐04(IT) 5/23/2023 11:05:39 AM 55.2 41.7 0.4 2.7 130.5 130.4‐7.02‐6.65 11.3 11.8‐6.79A12‐04(IT) 5/31/2023 10:53:47 AMA12‐04(IT) 6/6/2023 10:19:31 AM 50.3 34.2 0.0 15.5 140.9 140.9‐16.50‐16.50 24.7 16.4‐16.94A12‐04(IT) 6/16/2023 10:55:47 AM 53.7 40.9 0.8 4.6 135.2 135.4‐16.27‐16.27 22.1 22.0‐18.55A12‐04(IT) 6/27/2023 6:26:39 AMA12‐08D 4/10/2023 9:57:58 AM 59.8 40.2 0.0 0.0 78.8 80.1‐1.13‐4.86 29.5 24.2‐23.91A12‐08D 4/10/2023 9:59:10 AM 60.0 40.0 0.1 83.5 83.6‐7.51‐7.50 24.8 24.5‐24.07A12‐08D 4/17/2023 8:22:23 AM 56.2 38.6 0.7 4.5 77.1 77.9‐15.97‐18.02 32.1‐25.90A12‐08D 4/17/2023 8:23:49 AM 56.9 40.4 0.1 2.6 80.6 80.6‐21.84‐21.82 27.5‐25.49A12‐08D 5/2/2023 12:01:30 PM 44.0 35.7 1.6 18.7 97.1 97.2‐21.57‐21.55 7.6 7.2‐23.18A12‐08D 5/26/2023 12:07:52 PM 45.3 35.5 1.6 17.6 101.9 102.0‐22.03‐22.04 15.6 15.4‐22.39A12‐08D 6/7/2023 9:46:39 AM 42.1 35.2 1.8 20.9 99.3 99.0‐20.37‐19.56‐20.49A12‐08D 6/7/2023 9:48:58 AM 42.1 35.0 1.8 21.1 95.9 95.7‐19.11‐19.09‐22.08A12‐08D 6/19/2023 12:59:28 PM 41.6 34.2 2.1 22.1 106.1 106.2‐19.64‐19.61 10.1‐22.16A12‐08S 4/10/2023 10:00:59 AM 57.9 35.9 0.1 6.1 111.0 111.5‐1.58‐1.71 82.6 87.7‐24.78A12‐08S 4/10/2023 10:02:18 AM 57.8 35.8 0.0 6.4 112.8 112.8‐0.86‐0.84 53.7 47.8‐25.49A12‐08S 4/17/2023 8:25:29 AM 54.8 36.6 0.1 8.5 105.7 106.7‐2.13‐2.64 70.5 76.0‐25.06A12‐08S 4/17/2023 8:27:04 AM 54.7 36.8 0.1 8.4 110.0 110.0‐1.99‐2.00 52.5 52.7‐24.62A12‐08S 5/2/2023 12:03:32 PM 56.2 37.3 0.0 6.5 117.6 117.6‐3.21‐3.22 70.5 69.4‐22.47A12‐08S 5/26/2023 12:10:27 PM 56.9 37.5 0.1 5.5 119.6 119.6‐2.66‐2.66 24.5 24.5‐19.26A12‐08S 6/7/2023 9:44:50 AM 59.2 39.2 0.0 1.6 120.8 121.7‐4.33‐4.88 98.3 84.8‐20.12A12‐08S 6/7/2023 9:46:31 AM 59.3 39.2 0.0 1.5 122.7 122.8‐4.13‐4.70 69.9 79.5‐20.21A12‐08S 6/19/2023 1:04:34 PM 57.8 38.2 0.0 4.0 122.9 123.2‐4.82‐6.12 35.8 55.4‐21.82A12‐08S 6/19/2023 1:06:43 PM 57.8 38.5 0.0 3.7 123.6 123.6‐7.19‐7.15 63.5 63.3‐21.15A12‐09D 4/13/2023 8:21:11 AM 56.5 37.4 1.2 4.9 76.6 76.6‐22.04‐22.03‐21.74A12‐09D 4/20/2023 8:39:41 AM 56.0 37.7 0.5 5.8 96.8 96.9‐18.88‐18.89 13.8 13.3‐18.94A12‐09D 5/2/2023 9:04:13 AM 55.1 38.2 1.1 5.6 88.9 89.0‐18.98‐18.50‐18.09A12‐09D 5/25/2023 7:48:54 AM 56.5 38.3 0.8 4.4 93.1 93.2‐19.02‐19.04 12.0 11.9‐19.51A12‐09D 6/6/2023 11:28:29 AM 57.5 41.4 0.0 1.1 106.6 106.7‐17.07‐17.05 10.3 10.7‐16.42A12‐09D 6/16/2023 9:47:03 AM 56.1 40.2 0.3 3.4 95.3 95.6‐14.70‐14.66‐14.68A12‐13S 4/13/2023 9:20:04 AM 53.8 41.9 0.5 3.8 91.4 91.5‐22.97‐22.96 16.1 16.3‐27.82A12‐13S 4/18/2023 10:52:03 AM 53.5 42.0 0.0 4.5 116.2 116.3‐10.78‐10.77 22.5 23.0‐16.47A12‐13S 5/2/2023 9:56:58 AM 47.5 42.5 0.5 9.5 111.5 111.7‐20.83‐20.81 28.2 15.9‐22.61A12‐13S 5/25/2023 8:36:41 AM 46.9 40.0 0.9 12.2 112.3 112.3‐19.04‐19.03 9.0 9.3‐25.73A12‐13S 6/5/2023 12:25:04 PM 48.4 40.4 0.7 10.5 119.7 119.8‐14.29‐14.36 8.1 12.6‐23.54A12‐13S 6/16/2023 9:11:15 AM 39.2 40.8 0.0 20.0 118.5 120.3‐21.22‐22.69 5.5‐23.40A12‐13S 6/16/2023 9:13:52 AM 42.0 40.9 0.0 17.1 120.3 120.2‐22.66‐22.73 10.0 8.7‐24.017/11/20233 of 38