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Geosynte& <br /> consultants <br /> 4. ANALYTICAL METHODS <br /> The laboratory and its staff have the responsibility to process all samples submitted <br /> according to the specific protocols for sample custody, holding times, analysis, and <br /> associated laboratory QA as described in this QAPP. Designated laboratory personnel <br /> will maintain contact with the Project QA Manager to assure that laboratory data quality <br /> indicators (DQIs) are achieved. Laboratory DQIs are defined in terms of accuracy and <br /> precision. <br /> A performance-based analytical program is recommended for the analysis of target <br /> analytes. This recommendation is based on the assumption that the analytical results <br /> produced by different laboratories and/or different methods will be comparable if <br /> appropriate QC procedures are implemented within each laboratory. Table E-2 <br /> summarizes the analytical methods, analytes, method detection limits, and reporting <br /> limits for sample testing, as well as project screening levels for comparison to assess the <br /> appropriateness of the method sensitivity for project goals. <br /> Quality Assurance Project Plan 7 30 April 2025 <br />