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Forward Landfill – 2023 Annual Corrective Action Evaluation Report <br />www.arcadis.com <br />Forward Landfill 2023 Annual CA Eval Rpt_08012023 6 <br />that was submitted on November 27, 2019. This included revisions to the corrective action program and <br />evaluation procedures previously described in the Evaluation Procedures Report. <br />The distribution of carbon tetrachloride and chloroform near well AMW-22S has been further delineated by the <br />recent installation of new wells AMW-50S, AMW-50M, AMW-51M, AMW-52S, and AMW-52M, which were added <br />to the monitoring program beginning in the second quarter of 2023. The initial results from these new wells <br />indicate that the occurrence of carbon tetrachloride and chloroform near well AMW-22S is more limited than <br />previously mapped, and this change resulted in a decrease in TVOC mass for the second quarter of 2023. The <br />calculated TVOC mass for the second quarter of 2023 is the lowest since 2015 (Table 10).