Difference between revisions of "Blank"
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In the [[laboratory]] world, a '''blank''', as defined by the [[United States Environmental Protection Agency]] via its [[Staged Electronic Data Deliverable|SEDD Specification]] Version 5.2, is "a quality control sample made to contain negligible (or unmeasurable) quantities of the analyte(s) of interest. Detection of an analyte in a blank is an indication of contamination."<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> | |||
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Latest revision as of 22:51, 22 September 2022
In the laboratory world, a blank, as defined by the United States Environmental Protection Agency via its SEDD Specification Version 5.2, is "a quality control sample made to contain negligible (or unmeasurable) quantities of the analyte(s) of interest. Detection of an analyte in a blank is an indication of contamination."[1]
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.
