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Mr. Brendan P. Kenny, RG Corrective Action Program Update - 2Q2025 July 112025 Page 3 EXTRACTION WELLS SCS continued performing operation and maintenance of the GCCS including extraction wells monitoring and tunning, pipe maintenance, condensate management system inspection and maintenance. Extraction wells monitoring data for the quarter are provided in Table 21. CONCLUSION Based on the data collected by SCS, the monitoring, testing, and inspection of the GCCS conducted during the second quarter of 2025 met the CAO requirements for the operation and maintenance of the GCCS at the Landfill. Moreover, Forward is implementing improvements to the GCCS to reduce landfill gas at the GP -10 monitoring probes. Please contact the undersigned if you have any questions or comments. Aklilu Tesfamichael, PhD, PE Senior Engineer Enclosures: Fabrizio Settepani, PE, GE Principal Table 1: Forward Landfill Probes Monitoring Data — Q2 2025 Table 2: Forward Landfill Wellfield Monitoring Data — Q2 2025 Copy to: Osvaldo Cordero (Forward Landfill, Inc.) 1 The WDR Monitoring and Reporting Program R5-2024-0002 lists 226 LFG wells for monitoring and reporting. Some of the LFG extraction wells listed in the WDR have been abandoned and new LFG extraction wells have been installed; the total number of LFG extraction wells operating at this time is greater than the number in the WDR. As of this reporting period, Forward operates 248 LFG wells (see Table 2): The abandoned wells include Al2-06D, Al2-12S, A14-11, Al 6-13, A17-07, All -09S, A17 -09D, A056RS, A061RD, East Manifold Well 09, West Manifold Well 6, West Manifold Well 7, F12-03, F15R-1, F15R-2, F15R-3, FOEW-A06, FOFU05-02, FOFU05- 08R, FOA1801S, FOA1801D, FO -A1807, FO -A1808, FO -A1906, FO -A1908, FO -A2022, and FO -A2113. Q2 Corrective Action Program Update - 2025 engineers I scientists I innovators