Conceptual Site Model - Argonne National Laboratory

WVDP Phase 1 CSAP• The data completeness goal for the CSAP is 80%, consistent with the Phase 1 FSSP.Comparability refers to how well data sets generated by CSAP work pertain to the decisions thatneed to be made. Comparability (or the lack thereof) is an aggregate QA measure that reflects theoverall level of accuracy, precision, completeness,and representativeness.A QA program will be conducted during data collection. In accordance with established procedures, theQA program will specify and measure the performance of measurement methods through the collection ofan appropriate number or frequency of QC samples. Such samples could include field and laboratoryblanks, field duplicates, laboratory replicates, and spiked samples. Field measurements will be calibratedon NIST-traceable standards at a frequency prescribed in the QAPP. Twice-daily response checks will beperformed for all field instruments before use. Corrective actions will be conducted if performance fallsoutside of expected ranges. Response checks will make use of control charts as described in Section 11.5.Corrective actions can include a variety of actions depending on the nature of the problem, and mayinclude replacing a detector, re-collecting data that may be suspect because of QA concerns, modifyingdata collection protocols to mitigate data problems that may have environmental or temporal components,and so on.All surveys and sample collection that are part of the CSAP will be performed in accordance withestablished QC requirements. Replicate surveys, sample recounts, instrument performance checks, chainof custody, control of field survey data and databases, and QC investigations provide the highest level ofconfidence in the data collected to support the survey outcome.In addition, QA/QC measures will ensure that trained personnel conduct surveys with approvedprocedures and properly calibrated instruments. Procedures will cover sample documentation, chain ofcustody, field and laboratory QC measurements, and data management. The CSAP contractor will berequired to develop and supply these procedures either as appendices to this plan or as stand-alone SOPs.Rev. 1 96