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1 SAP/QAPP Addendum <br /> O Lodi-125 N Stockton <br /> Final <br /> March 24,2025 <br /> SITE-SPECIFIC QAPP WORKSHEET #12 (CONTINUED) <br /> MEASUREMENT PERFORMANCE CRITERIA <br /> Notes: <br /> a Sampling SOPS are listed in QAPP Worksheet#21 in the Final Programmatic QAPP Revision 2(EPA R9/QA DCN:FY22BNFD22)(Toeroek Team 2022). <br /> %R Percent recovery <br /> DCN Document control number <br /> DDT Dichlorodiphenyltrichloroethane <br /> DRO Diesel range organics <br /> DQI Data quality indicator <br /> EPA U.S.Environmental Protection Agency <br /> GRO Gasoline range organics <br /> ICP-MS Inductively coupled plasma-mass spectrometry <br /> LCS Laboratory control sample <br /> MS Matrix spike <br /> MSD Matrix spike duplicate <br /> NA Not applicable <br /> PAH Polycyclic aromatic hydrocarbons <br /> QAPP Quality assurance project plan <br /> QC Quality control <br /> QL Quantitation limit <br /> RPD Relative percent difference <br /> SIM Selected ion monitoring <br /> SOP Standard operating procedure <br /> TPH Total petroleum hydrocarbons <br /> VOC Volatile organic compound <br /> 31 <br />