Difference between revisions of "Method batch"
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A | A '''method batch''', as defined by the [[United States Environmental Protection Agency]] via its [[Staged Electronic Data Deliverable|SEDD Specification]] Version 5.2, is "a [[laboratory]]-defined identifier that is used to link multiple [[Sample (material)|sample]]s analyzed by one [[method]] and treated as a group for [[quality control]] (QC) purposes. A method batch should group samples with similar matrices and potential interferences." The EPA adds the following<ref name="SEDD5.2_19">{{cite web |url=https://www.epa.gov/sites/default/files/2019-05/documents/sedd_spec_v5-2-march_2019_508.pdf |format=PDF |title=Appendix A. Data Element Dictionary (DED) |work=SEDD Specification Version 5.2 |author=U.S. Environmental Protection Agency |date=March 2019 |accessdate=22 September 2022}}</ref>: | ||
<blockquote>This is a broader grouping than a preparation batch. In particular, a reanalysis of a sample stays in the same method batch, while it is likely to be in a different preparation batch. Operationally, this batch associates sample dependent QC such as duplicates and matrix spikes with a group of samples that may or may not be prepared at the same time.</blockquote> | |||
==References== | ==References== | ||
<references/> | <references/> | ||
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[[Category:Testing terminology]] | |||
Latest revision as of 21:39, 22 September 2022
A method batch, as defined by the United States Environmental Protection Agency via its SEDD Specification Version 5.2, is "a laboratory-defined identifier that is used to link multiple samples analyzed by one method and treated as a group for quality control (QC) purposes. A method batch should group samples with similar matrices and potential interferences." The EPA adds the following[1]:
This is a broader grouping than a preparation batch. In particular, a reanalysis of a sample stays in the same method batch, while it is likely to be in a different preparation batch. Operationally, this batch associates sample dependent QC such as duplicates and matrix spikes with a group of samples that may or may not be prepared at the same time.
References
- ↑ U.S. Environmental Protection Agency (March 2019). "Appendix A. Data Element Dictionary (DED)" (PDF). SEDD Specification Version 5.2. https://www.epa.gov/sites/default/files/2019-05/documents/sedd_spec_v5-2-march_2019_508.pdf. Retrieved 22 September 2022.
