COMPLIANCE INFO_8/1/2025/ ANNUAL CORRECTIVE ACTION

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Table 2 Third Quarter 2024 Groundwater VOC Results 2025 Annual Corrective Action Evaluation Report Forward Landfill 9999 South Austin Road, San Joaquin County, California 1,1-Dichloroethane µg/L 1,1-Dichloroethene µg/L 1,2-Dichlorobenzene µg/L 1,4-Dichlorobenzene µg/L Acetone µg/L Benzene µg/L Bromodichloromethane µg/L Carbon Tetrachloride µg/L CFC-11 µg/L CFC-12 µg/L Chlorobenzene µg/L Chloroform µg/L cis-1,2-Dichloroethene µg/L Di-isopropyl ether µg/L trans-1,2-Dichloroethene µg/L Tetrachloroethene µg/L Trichloroethene µg/L Vinyl chloride µg/L TVOCs (non-trace)µg/L Analyte Unit AMW-60M AMW-61S AMW-61M AMW-62 AMW-63 AMW-64 DW-9690 7898-A 8106-A PZ-1 PZ-2 PZ-3 CDCR- EW-1 CDCR- EW-2 CDCR- EW-3 CDCR- EW-4 CDCR- EW-5 08/09/2024 08/09/2024 NS NS NS NS NS NS NS <0.50 <0.50 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS <0.50 <0.50 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS <0.50 <0.50 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS <0.50 <0.50 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS <10 <10 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS <0.50 <0.50 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS <0.50 <0.50 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS <0.50 <0.50 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS <0.50 <0.50 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 0.19 J 0.22 J NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS <0.50 <0.50 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS <0.50 <0.50 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS <0.50 <0.50 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS <0.50 <0.50 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS <0.50 <0.50 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 3.5 4.3 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 0.55 0.85 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS <0.50 <0.50 NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS 4.1 5.2 NS NS NS NS NS NS NS NS Notes: 1. Estimate/trace (J) concentrations are not used in TVOC calculations and totals 3. Wells CDCR-EW-1 through CDCR-EW-5 and PZ-1 through PZ-3 were added to the monitoring program beginning in second quarter 2025. Acronyms and Abbreviations: < = not detected at or above the listed reporting limit -- = sample not collected (dry or insufficient water to sample) µg/L = microgram per liter CFC-11 = trichlorofluoromethane CFC-12 = dichlorodifluoromethane Dup = duplicate sample NS = not sampled TVOC = total volatile organic compound VOC = volatile organic compound 2. Well AMW-60S/M was installed in second quarter 2025. Wells AMW-61S/M, AMW-54R, and AMW-62 through AMW-64 were installed during third quarter 2024. All eight of these wells were added to the monitoring program in fourth quarter 2024. 7/7