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Table 1 AARCADIS <br /> First Quarter 2026 Concentration Limit Exceedances <br /> Forward Landfill <br /> 9999 South Austin Road <br /> San Joaquin County, California <br /> Inorganic Constituents <br /> pH, Field 6.93 6.02-7.69 8.10 7.51-8.06 <br /> Organic Constituents (VOCs by USEPA Method 8260) <br /> 1,1-Dichloroethane 0.36 J MDL <0.50 MDL <br /> cis-1,2-Dichloroethene 0.15 J MDL <0.50 MDL <br /> Notes: <br /> 1. VOC concentrations are presented in milligrams per liter and pH is presented in microSiemen per <br /> centimeter. <br /> 2. The CLs were recalculated in fourth quarter 2024 using data through third quarter 2024. <br /> 3. Wells presented in this table are detection and upgradient program wells listed in MRP Table 1 <br /> (RWQCB 2024),with exceedances. <br /> 4. Yellow highlighting indicates the concentration exceeds the CL. <br /> Acronyms and Abbreviations: <br /> < = not detected at or less than the laboratory practical quantitation limit <br /> CL= concentration limit <br /> MDL = method detection limit <br /> MRP = monitoring and reporting program <br /> RWQCB = Central Valley Regional Water Quality Control Board <br /> USEPA = United States Environmental Protection Agency <br /> VOC =volatile organic compounds <br /> Reference: <br /> RWQCB. 2024. Waste Discharge Requirements (WDR)and Monitoring and Reporting Program <br /> (MRP)Order No. R5-2024-0002-Forward Inc. and Republic Services, Inc.—Forward Landfill, San <br /> Joaquin County, GeoTracker No: L10008827999. February 16. <br /> 1Q26 Exceedance of Concentration Limits 1/1 <br />