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FOURTH QUARTER 2022TABLE 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)LCRS19W1 12/20/2022 1:27:28 PM0.0 0.5 19.4 80.1 66.0 66.0‐0.19‐0.18 17.2 17.2‐21.79LCRS19W2 10/5/2022 8:35:04 AM 59.2 40.8 0.0 0.0 76.7 76.7‐11.41‐11.41‐23.06LCRS19W2 10/20/2022 9:56:09 AM 58.3 39.7 0.6 1.4 82.3 82.3‐11.22‐11.78‐25.36LCRS19W2 11/14/2022 10:55:48 AM58.1 41.9 0.0 0.0 79.5 79.5‐7.17‐7.16 62.9 67.0‐13.14LCRS19W2 11/21/2022 10:15:58 AM59.0 40.9 0.0 0.1 76.7 76.7‐9.11‐10.17‐20.54LCRS19W2 12/13/2022 8:12:32 AM 58.4 41.6 0.0 0.0 58.3 58.3‐10.51‐11.07 71.5 70.6‐18.89LCRS19W2 12/20/2022 1:24:57 PM58.9 41.1 0.0 0.0 81.4 81.5‐11.48‐8.93 67.7 67.6‐22.47LCRS20E1 10/5/2022 8:23:06 AM 5.6 5.3 17.6 71.5 71.8 71.8‐3.29‐3.29‐19.15LCRS20E1 10/5/2022 8:24:08 AM 5.3 4.2 18.5 72.0 71.2 71.2‐3.29‐3.29‐19.04LCRS20E1 10/17/2022 9:16:09 AM 3.0 5.6 17.5 73.9 76.1 75.8‐2.96‐2.33 20.4‐23.34LCRS20E1 10/17/2022 9:17:04 AM 3.2 5.2 18.1 73.5 74.6 74.7‐1.54‐1.51 20.6 19.4‐22.91LCRS20E1 11/4/2022 11:15:08 AM 1.0 2.2 19.1 77.7 69.8 70.0‐0.26‐0.27 39.3 39.3‐23.85LCRS20E1 11/4/2022 11:16:22 AM 0.8 1.2 19.8 78.2 73.8 73.9‐0.48‐0.48 38.6 39.3‐22.66LCRS20E1 11/16/2022 2:02:58 PM44.0 33.9 2.6 19.5 85.3 85.5‐13.38‐13.37 9.2 0.6‐12.58LCRS20E1 12/13/2022 8:24:14 AM 49.2 36.2 3.4 11.2 44.6 44.5‐16.05‐16.04‐15.01LCRS20E1 12/19/2022 1:39:40 PM52.5 38.2 1.9 7.4 48.1 48.0‐16.65‐16.64‐16.53Top Deck Trench 10/6/2022 8:40:11 AM 44.3 37.6 0.0 18.1 111.7 111.5‐8.36‐7.74‐37.02Top Deck Trench 10/6/2022 8:41:34 AM 44.0 37.2 0.0 18.8 112.3 112.1‐7.12‐6.91 8.1 10.6‐11.84Top Deck Trench 10/18/2022 8:29:13 AM 45.0 37.6 0.2 17.2 104.9 105.0‐5.65‐5.62 24.0 11.7‐39.66Top Deck Trench 11/7/2022 12:33:36 PM47.9 38.5 0.0 13.6 104.4104.4‐4.74‐4.7428.2 28.0‐40.78Top Deck Trench 11/16/2022 9:39:41 AM 49.9 37.1 0.2 12.8 93.1 93.3‐3.46‐3.45 20.9 20.8‐21.44Top Deck Trench 12/12/2022 10:10:48 AM47.9 37.5 0.0 14.6 55.7 55.8‐5.11‐5.10 21.0 20.9‐36.28Top Deck Trench 12/18/2022 8:03:08 AM 42.5 37.1 0.1 20.3 45.0 44.9‐6.56‐6.56‐37.01Top Deck Trench 12/20/2022 11:58:26 AM46.7 37.0 0.0 16.3 70.0 70.0‐4.33‐4.33 62.6 62.6‐37.89Top Deck Trench Well 05 10/3/2022 7:19:17 AM 34.0 28.0 6.7 31.3 87.8 87.7‐0.37‐0.39‐22.15Top Deck Trench Well 05 10/3/2022 7:28:08 AM 29.9 25.3 8.0 36.8 88.8 89.0‐0.50‐0.48 28.4 28.1‐25.47Top Deck Trench Well 05 10/17/2022 7:44:55 AM 31.3 25.7 8.3 34.7 88.7 88.8‐0.16‐0.16 11.7 11.7‐23.83Top Deck Trench Well 05 11/7/2022 1:26:55 PM 51.5 39.3 0.5 8.7 73.9 74.4‐0.10‐0.11 15.9 16.0‐28.39Top Deck Trench Well 05 11/16/2022 11:12:26 AM31.5 24.4 7.7 36.4 84.3 84.3‐0.32‐0.32 21.9 21.9‐24.15Top Deck Trench Well 05 11/16/2022 11:13:39 AM31.7 24.5 7.6 36.2 85.0 85.0‐0.23‐0.22 27.4 17.2‐27.56Top Deck Trench Well 05 12/1/2022 10:17:22 AM 52.6 39.4 0.5 7.5 74.0 74.2‐0.10‐0.12‐10.28Top Deck Well 02(IT) 10/4/2022 10:38:24 AM 46.0 37.8 0.0 16.2 112.1 112.2‐13.23‐13.2447.4‐19.22Top Deck Well 02(IT) 10/17/2022 11:01:12 AM46.3 38.3 0.0 15.4 114.8 114.8‐14.08‐14.07 80.0 80.0‐20.67Top Deck Well 02(IT) 11/9/2022 9:08:43 AM 44.6 39.1 0.0 16.3 110.1 110.1‐14.51‐14.05 72.2 66.9‐20.03Top Deck Well 02(IT) 11/18/2022 9:12:30 AM 47.5 38.7 0.0 13.8 111.7 111.7‐12.69‐13.47 69.9 74.5‐19.28Top Deck Well 02(IT) 12/5/2022 9:17:31 AM 44.4 37.6 0.0 18.0 112.1 112.2‐14.02‐14.02 73.2 73.2‐20.78Top Deck Well 02(IT) 12/9/2022 12:57:31 PM44.5 38.4 0.1 17.0 110.1 110.2‐12.80‐12.83 81.1 85.1‐17.51Top Deck Well 02(IT) 12/19/2022 11:03:21 AM37.5 32.1 3.6 26.8 108.9 109.1‐12.83‐13.75 14.0 50.5‐20.73Top Deck Well 03(IT) 10/4/2022 9:32:42 AM 48.1 37.4 0.0 14.5 113.5 113.5‐16.00‐16.01 26.5 26.7‐19.24Top Deck Well 03(IT) 10/17/2022 10:30:38 AM44.8 36.7 0.4 18.1 110.5 110.7‐15.95‐15.96 32.4 32.5‐19.41Top Deck Well 03(IT) 11/9/2022 8:35:59 AM 44.1 36.9 0.5 18.5 105.9 105.9‐16.53‐16.52 27.4 27.4‐19.40Top Deck Well 03(IT) 11/18/2022 8:36:55 AM 44.5 36.1 0.5 18.9 104.7 105.7‐14.26‐13.51 23.2 18.9‐18.58Top Deck Well 03(IT) 11/18/2022 8:38:15 AM 43.5 35.9 0.8 19.8 107.4107.4‐12.31‐12.31 18.0 18.0‐17.59Top Deck Well 03(IT) 12/5/2022 8:54:56 AM 42.9 35.8 0.2 21.1 104.5 104.6‐11.30‐11.31 17.1 17.2‐19.76Top Deck Well 03(IT) 12/19/2022 10:33:47 AM42.1 34.9 0.8 22.2 102.0 102.2‐13.11‐13.10‐19.27Top Deck Well 04(IT) 10/4/2022 7:56:22 AM 54.0 41.1 0.4 4.5 110.3 110.3‐11.57‐11.57 33.5 33.4‐11.68Top Deck Well 04(IT) 10/17/2022 10:06:12 AM53.1 40.6 0.4 5.9 109.5 109.6‐11.59‐11.6023.8 23.9‐11.65Top Deck Well 04(IT) 11/9/2022 8:09:50 AM 53.8 41.7 0.5 4.0 105.4105.6‐13.59‐13.54‐13.52Top Deck Well 04(IT) 11/18/2022 8:23:44 AM 54.3 40.1 0.3 5.3 104.3 104.4‐10.00‐10.0024.5 24.7‐10.21Top Deck Well 04(IT) 12/5/2022 8:41:16 AM 50.9 38.9 0.6 9.6 103.9 104.1‐10.82‐10.81 20.9 20.7‐10.571/10/202335 of 37