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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 /> Matrix Building Materials <br /> (Caulk) <br /> Analytical Group PCB <br /> Concentration NA <br /> Level <br /> QC Sample <br /> Sampling Laboratory SOP Measurement Performance QC Sample and/or Activity Assesses Error <br /> Procedures Reference DQIs Criteria Used to Assess for Sampling(S), <br /> Measurement Performance Analytical(A), or <br /> both(S&A) <br /> Various GL-OA-E-040 Precision <— 70%RPD NA S&A <br /> Various GL-OA-E-040 Accuracy/Bias 75-125 %R LCS,MS/MSD A <br /> Various GL-OA-E-040 Precision < 20%RPD MS/MSD A <br /> Various GL-OA-E-040 Accuracy/Bias- < 1/2 QL Method blank A <br /> Contamination <br /> Data completeness is <br /> determined by the amount of <br /> Various GL-OA-E-040 Completeness >— 90% data not qualified as rejected S&A <br /> after validation divided by the <br /> amount of data generated. <br /> 23 <br />