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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 Soil Gas, <br /> Indoor/Outdoor Air <br /> Analytical Group VOCs <br /> Concentration SIM,Scan <br /> Level <br /> QC Sample and/or QC Sample Assesses <br /> Sampling Laboratory DQIs Measurement Performance Criteria Activity Used to Error for Sampling(S), <br /> Procedure- SOP Reference Assess Measurement Analytical(A), or both <br /> Performance (S &A) <br /> Various Eurofins Air Toxics Precision <— 50%RPD Field duplicate S&A <br /> SOP# 83 <br /> Various Eurofins Air Toxics Accuracy, 70-130%R LCS/LCSD <br /> SOP# 83 Precision 25%RPD <br /> No target analytes <br /> Eurofins Air Toxics >_ 1/2 LOQ or > 1/10 the amount <br /> Various SOP# 83 Accuracy measured in any sample. For common Method blank S &A <br /> laboratory contaminants,no analyzes <br /> detected > LOQ. <br /> Data completeness is <br /> determined by the <br /> amount of data not <br /> Various Eurofins Air Toxics Completeness > 90% qualified as rejected S&A <br /> SOP# 83 — after validation divided <br /> by the amount of data <br /> planned to be <br /> generated. <br /> 29 <br />