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SAP/QAPP Addendum <br /> Lodi-125 N Stockton <br /> Final <br /> March 24,2025 <br /> SITE-SPECIFIC QAPP WORKSHEET #10 (CONTINUED) <br /> PROBLEM DEFINITION <br /> • Evaluate data following Steps 5 and 6 to determine whether additional data assessment is required to <br /> assess risk to human health. <br /> Notes: <br /> ACM Asbestos containing material <br /> bgs Below ground surface <br /> DQO Data quality objective <br /> DU Decision units <br /> EAL Environmental action levels <br /> EPA U.S.Environmental Protection Agency <br /> LBP Lead-based paint <br /> PCBs Polychlorinated biphenyls <br /> PLM Polarized light microscopy <br /> RCRA Resource Conservation and Recovery Act <br /> REPA RCRA Enforcement,Permitting and Assistance <br /> RSL Regional screening levels <br /> SL Screening level <br /> SOP Standard operating procedures <br /> TBA Targeted Brownfields Assessment <br /> TEM Transmission electron microscopy <br /> XRF X-ray fluorescence <br /> 21 <br />