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FIRST 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) 3/16/2023 12:05:00 PM 0.6 2.0 18.7 78.7 67.6 67.6‐25.41‐25.41 17.3 17.3‐24.48A12‐04(IT) 1/12/2023 11:04:52 AM 53.3 39.2 0.9 6.6 121.2 121.3‐17.73‐17.74 19.2 18.8‐23.15A12‐04(IT) 1/18/2023 10:08:37 AM 58.6 39.4 0.8 1.2 108.0 108.0‐18.70‐18.68 30.5 30.7‐23.50A12‐04(IT) 2/6/2023 9:23:32 AM 53.9 39.7 1.1 5.3 110.7 110.7‐21.96‐21.96 38.1 38.1‐27.44A12‐04(IT) 2/27/2023 10:44:23 AM 54.5 39.8 0.9 4.8 113.5 114.3‐17.73‐17.70 33.2 27.1‐23.04A12‐04(IT) 3/7/2023 10:18:19 AM 52.4 38.2 0.9 8.5 110.7 111.1‐21.50‐21.48 40.2 34.7‐21.81A12‐04(IT) 3/16/2023 12:15:09 PM 53.3 37.0 0.7 9.0 113.4 113.2‐19.98‐19.99 18.5 37.1‐21.82A12‐08D 1/11/2023 10:53:24 AM 43.7 36.1 1.7 18.5 63.3 63.3‐6.19‐6.18‐24.50A12‐08D 1/20/2023 1:04:05 PM 40.0 31.0 3.0 26.0 72.3 72.3‐8.23‐8.22 23.5 23.3‐18.59A12‐08D 2/1/2023 1:00:57 PM 47.5 39.2 1.3 12.0 70.9 71.0‐4.30‐4.29 26.3 26.1‐20.50A12‐08D 2/20/2023 1:21:43 PM 44.0 35.7 1.1 19.2 80.1 80.3‐5.25‐5.22 35.2 34.8‐26.56A12‐08D 3/7/2023 8:29:07 AM 48.7 38.1 0.1 13.1 67.4 67.4‐5.37‐5.36‐28.45A12‐08D 3/16/2023 10:06:05 AM 44.6 33.8 2.1 19.5 63.6 63.8‐4.38‐4.39 36.1 36.2‐28.67A12‐08S 1/11/2023 10:55:01 AM 49.9 37.0 0.2 12.9 97.7 98.0‐2.53‐2.50 83.8 75.8‐22.74A12‐08S 1/20/2023 1:06:33 PM 50.9 35.0 0.2 13.9 106.6 106.6‐4.25‐3.70 121.5 102.7‐23.13A12‐08S 2/1/2023 1:02:41 PM 51.1 38.5 0.0 10.4 105.9 106.2‐1.77‐1.35 68.1 65.3‐20.26A12‐08S 2/20/2023 1:24:11 PM 50.7 36.4 0.0 12.9 110.9 110.9‐3.14‐3.14 110.4 110.4‐27.14A12‐08S 3/7/2023 8:30:34 AM 51.0 35.6 0.4 13.0 102.5 102.8‐4.88‐4.90 126.1 124.5‐29.19A12‐08S 3/16/2023 10:07:47 AM 51.4 34.8 0.2 13.6 104.1 104.5‐2.87‐2.85 75.4 75.5‐29.01A12‐09D 1/12/2023 11:06:01 AM 48.2 36.5 1.4 13.9 80.0 80.2‐24.85‐24.84 12.5 23.9‐24.17A12‐09D 1/18/2023 10:41:16 AM 60.1 37.6 0.7 1.6 71.9 72.1‐23.32‐23.31 79.6 79.6‐23.27A12‐09D 2/6/2023 12:01:04 PM 52.2 38.2 0.4 9.2 82.2 82.2‐27.03‐27.03 76.5 76.5‐24.18A12‐09D 2/17/2023 11:17:26 AM 54.4 37.8 1.1 6.7 93.0 92.9‐13.22‐13.30‐13.71A12‐09D 2/20/2023 10:21:14 AM 52.8 36.6 1.0 9.6 83.5 83.5‐29.43‐29.43‐30.08A12‐09D 3/7/2023 12:20:38 PM 50.5 36.0 0.8 12.7 79.9 80.2‐22.89‐22.92 48.6 53.5‐22.91A12‐09D 3/16/2023 1:44:30 PM 54.2 36.1 0.8 8.9 87.0 87.1‐22.34‐22.33 17.0 16.5‐22.24A12‐13S 1/12/2023 10:31:35 AM 42.7 40.9 1.0 15.4 94.6 94.6‐29.72‐29.72‐39.93A12‐13S 1/20/2023 9:37:44 AM 46.1 41.5 0.7 11.7 89.9 90.2‐27.50‐27.47 86.7 72.1‐31.88A12‐13S 2/6/2023 10:53:40 AM 43.0 41.5 0.5 15.0 88.2 88.4‐28.43‐27.69 90.3 80.8‐33.81A12‐13S 2/6/2023 11:01:03 AM 46.4 33.6 4.2 15.8 55.2 55.1‐34.73‐34.00 135.1 130.1‐32.03A12‐13S 2/20/2023 11:20:47 AM 44.1 40.8 0.5 14.6 95.3 95.3‐29.02‐29.02‐35.71A12‐13S 3/7/2023 1:13:08 PM 44.9 40.8 0.2 14.1 94.4 94.5‐23.85‐23.84‐28.96A12‐13S 3/17/2023 8:40:11 AM 48.6 42.7 0.0 8.7 112.2 112.2‐25.89‐25.89 24.4 24.4‐30.67A12‐14(IT) 1/12/2023 10:12:14 AM 47.7 40.3 1.0 11.0 129.3 129.5‐13.57‐13.58 26.9 27.3‐28.76A12‐14(IT) 1/20/2023 8:36:22 AM 55.2 39.8 0.6 4.4 132.1 132.1‐18.93‐18.93 97.2 97.2‐29.37A12‐14(IT) 1/30/2023 1:00:07 PMA12‐14(IT) 1/30/2023 3:39:00 PMA12‐14(IT) 2/6/2023 10:27:02 AM 52.0 40.2 0.9 6.9 125.3 125.4‐19.87‐19.87 61.7 66.8‐31.66A12‐14(IT) 2/27/2023 11:44:01 AM 52.6 40.6 0.7 6.1 109.5 109.7‐15.68‐15.66 51.2 40.4‐28.06A12‐14(IT) 3/9/2023 10:39:58 AM 55.5 40.9 0.1 3.5 127.4 127.4‐10.00‐10.00 56.3 56.3‐21.80A12‐14(IT) 3/16/2023 1:21:12 PM 53.1 38.7 0.2 8.0 130.0 130.0‐16.37‐16.37 19.8 19.8‐24.75A12‐17 1/11/2023 10:06:51 AM 57.7 38.9 0.1 3.3 108.7 108.7‐21.92‐21.26‐21.23A12‐17 1/25/2023 10:05:01 AM 52.6 37.8 1.3 8.3 99.9 100.0‐28.95‐28.39 93.5 88.0‐27.77A12‐17 2/13/2023 10:11:01 AM 56.5 38.2 0.7 4.6 100.3 100.3‐25.63‐25.63 50.2 50.1‐26.39A12‐17 2/27/2023 12:29:21 PM 54.8 37.5 0.9 6.8 94.9 95.0‐26.58‐26.57 57.8 73.2‐27.02A12‐17 3/10/2023 12:05:30 PM 55.9 38.1 0.8 5.2 102.2 102.3‐26.16‐26.17 51.8 51.9‐27.054/12/20233 of 43