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Internal Quality Assurance Requirements for the Analysis of Dioxins in Environmental Samples
- 1. Reader's Comments
- 2. Foreword
- 3. Glossary
- 4. Acknowledgements
- 5. Section 1: Introduction
- 6. Section 2: Sample Handling and Custody
- 7. Section 3: Method Performance Tests
- 8. Section 4: Sample Preparation and Processing
- 9. Section 5: Gas Chromatographic/Mass Spectrometric (GC/MS) Calibration and Quantitation
- 10. Section 6: Limit of Detection
- 11. Section 7: Data Reporting
- 12. Section 8: Data Evaluation
- 13. References
- 14. List of Tables
- 15. List of Figures
Section 8: Data Evaluation
The following is a summary of the key performance achievements that would support confidence in the reliability of test sample results.
- The laboratory has demonstrated acceptable accuracy in analyzing method performance samples (Section 3d), certified standard solutions (Section 5g), and other certified reference materials as they become available.
- Duplicate or control sample results are provided, and demonstrate reasonable precision (Section 4k).
- All surrogate recoveries are within the acceptable range (Table 2).
- Reported method detection limits do not greatly exceed target values (Table 1).
- Method blanks have acceptable recoveries, contain non-detected or insignificant levels of analytes, and are free of interferences (Section 4j).
- Reported sample and calibration standard results are fully documented (Section 7).
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