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Quarterly Monitoring Report – Third Quarter 2025 <br />www.arcadis.com <br />Forward Landfill 3Q25 Quarterly Mon Report iii <br />Figures <br />Figure 1 Groundwater Monitoring Network <br />Figure 2 Unsaturated Zone Monitoring Network – Suction Lysimeters <br />Figure 3 Unsaturated Zone Monitoring Network – Pan Lysimeters <br />Figure 4 LCRS Sump Monitoring Network <br />Figure 5 Surface Water Monitoring Network <br />Figure 6 Groundwater Extraction Well Monitoring Network <br />Figure 7 Perimeter Landfill Gas Probe Network <br />Figure 8 Groundwater Elevation Contour Map <br />Figure 9 Tetrachloroethene in Shallow Wells <br />Figure 10a Trichloroethene in Shallow Wells <br />Figure 10b Trichloroethene in Shallow Wells at 7833 Newcastle Road <br />Figure 11 cis-1,2-Dichloroethene in Shallow Wells <br />Figure 12 Carbon Tetrachloride in Shallow Wells <br />Figure 13 Chloroform in Shallow Wells <br />Figure 14 Tetrachloroethene in Intermediate Wells <br />Figure 15 Trichloroethene in Intermediate Wells <br />Figure 16 cis-1,2-Dichloroethene in Intermediate Wells <br />Figure 17 Carbon Tetrachloride in Intermediate Wells <br />Figure 18 Chloroform in Intermediate Wells <br />Figure 19 Tetrachloroethene in Deep Wells <br />Figure 20 Trichloroethene in Deep Wells <br />Appendices <br />Appendix A Sampling and Analysis Plan <br />Appendix B Field Data Sheets <br />Appendix C Laboratory Analytical Reports and Chain-of-Custody Documentation <br />Appendix D Cumulative Historical Data for the Past Year <br />Appendix E Site Inspection Reports