Difference between revisions of "Duplicate (laboratory)"

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<ref> SEDD Specification 5.0 http://www.epa.gov/superfund/programs/clp/seddspec5.htm</ref> A reanalysis of a regular sample done for QC purposes. Data is expected to include an Original Client Sample ID for each Sample Plus Method and, potentially, an RPD for each analyte. The Original Client Sample ID identifies the original sample that was reanalyzed.
In the [[laboratory]] world, a '''duplicate''', as defined by the [[United States Environmental Protection Agency]] via its [[Staged Electronic Data Deliverable|SEDD Specification]] Version 5.2, is "a reanalysis of a regular [[Sample (material)|sample]] done for [[quality control]] purposes. [[Data]] is expected to include an original client sample ID for each [[sample plus method]] and, potentially, a [relative percent difference] for each analyte. The original client sample ID identifies the original sample that was reanalyzed."<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>


==References==
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[[Category:Testing terminology]]

Latest revision as of 23:13, 22 September 2022

In the laboratory world, a duplicate, as defined by the United States Environmental Protection Agency via its SEDD Specification Version 5.2, is "a reanalysis of a regular sample done for quality control purposes. Data is expected to include an original client sample ID for each sample plus method and, potentially, a [relative percent difference] for each analyte. The original client sample ID identifies the original sample that was reanalyzed."[1]

References

  1. 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.