2023-10-03_REVISION - M1977344 (23)

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Quality Assurance Project Plan Red Creek Quarry Monitoring Program Section 11: Data Validation and Usability 11-2 QC results, assessing whether DQOs have been achieved, and flagging data that did not meet specific requirements. Data qualifiers will be added to the database to alert data users of data limitations and uncertainties. A data quality assessment will be completed to summarize the results of the review and validation. If corrective action is necessary based on the data verification/validation process, the QAO will be responsible for communicating the nonconformance and the corresponding corrective actions to the laboratory, the PM, or other designee. A data quality assessment section summarizing qualified results and including any corrective actions will be included in the summary reports. 11.3 Reconciliation with User Requirements To fulfill the identified data needs, it is important that the data collected for the project meet the DQOs. If data do not meet the project specifications, the results will be flagged in the database to alert the data user of the data limitations and the following actions will be taken. First, the QAO and PM or other designee will review the errors and determine if the problem is equipment failure, calibration/maintenance techniques, or monitoring/sampling techniques. The QAO, PM, or designee will suggest corrective action. If the problem cannot be corrected by training, revision of techniques, or replacement of supplies/equipment, then the technical advisor will review the DQOs and determine if the DQOs are feasible. If the specific DQOs are not achievable, they will determine whether the specific DQO can be relaxed or if the parameter should be eliminated from the monitoring program. Any revisions to DQOs will be reviewed by the project team prior to approval and QAPP revision. The database will continue to be maintained for 5 years after the completion of the Project.