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Table 11 <br />TVOC Concentration Summary <br />2025 Annual Corrective Action Evaluation Report <br />Forward Landfill <br />9999 South Austin Road, San Joaquin County, California <br />Third <br />Quarter <br />2024 <br />Fourth <br />Quarter <br />2024 <br />First <br />Quarter <br />2025 <br />Second <br />Quarter <br />2025 <br />AMW-1 Shallow Corrective Action 203.8 µg/L 16.0 7.6 3.7 2.3 <br />AMW-4 Shallow Corrective Action 219.7 µg/L None None None None <br />AMW-5R*Shallow Detection 99.52 µg/L**None None None None <br />AMW-10 Shallow Corrective Action 119.8 µg/L NS NS NS NS <br />AMW-11 Shallow Corrective Action 235.8 µg/L None None None None <br />AMW-12 Shallow Detection 3.64 µg/L**0.65 0.68 None 0.66 <br />AMW-13 Shallow Corrective Action 57.36 µg/L 6.5 4.8 4.9 5.2 <br />AMW-14 Shallow Corrective Action 158.8 µg/L None None None None <br />AMW-18 Shallow Corrective Action 1.14 µg/L None None None None <br />AMW-19 Shallow Corrective Action 4.04 µg/L None None None None <br />AMW-19BR*Deep Corrective Action 22.87 µg/L**0.54 None None 0.50 <br />7898-A Deep Domestic 10.3 µg/L 4.1 5.3 5.4 4.6 <br />8106-A Deep Domestic 22.94 µg/L 5.2 7.7 7.0 7.2 <br />Notes: <br />* Threshold limit established based on data from original abandoned well. Threshold limit is compared to results from replacement well. <br />µg/L = microgram per liter <br />Herst = Herst & Associates <br />None = No non-trace VOCs were detected <br />NS = not sampled; well is destroyed <br />Reference: <br />Herst. 2002. Evaluation Procedures for Proposed corrective action at Austin Road Landfill, Addendum to May 2001 Engineering Feasibility Study <br />(Revised August 2001). February. <br />Acronyms and Abbreviations: <br />1. TVOC concentration threshold limits are from the Evaluation Procedures Report (Herst 2002). <br />Well Type <br />TVOC <br />Concentration <br />Threshold Limit <br />(µg/L)* <br />TVOC Concentration Result (µg/L) <br />Evaluation Procedures Report = Evaluation Procedures for Proposed corrective action at Austin Road Landfill, Addendum to May <br /> 2001 Engineering Feasibility Study (Revised August 2001) <br />** Well has been re-designated as a detection monitoring well since submittal of Evaluation Procedures Report (Herst 2002). Results are still compared <br />to the threshold limit for reference purposes. <br />1/1