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  1. Method Detection Limit - Frequent Questions | US EPA

    Sep 16, 2025 · As a result, the new definition of the MDL is: "The method detection limit (MDL) is defined as the minimum measured concentration of a substance that can be reported with 99% …

  2. The method detection limit (MDL) is defined as the minimum concentration of a substance that can be measured and reported with 99% confidence that the analyte concentration is greater than zero and …

  3. eCFR :: Appendix C to Part 425, Title 40 -- Definition and Procedure ...

    The method detection limit (MDL) is defined at the minimum concentration of a substance that can be identified, measured and reported with 99 percent confidence that the analyte concentration is …

  4. 4.7: Detection Limits - Chemistry LibreTexts

    The page discusses the IUPAC's definition of a method's detection limit as the smallest signal indicating the presence of an analyte, distinct from a blank signal.

  5. METHOD DETECTION LIMIT (MDL) - Wisconsin DNR

    "Method detection limit," or "MDL," means the minimum measured concentration of a substance that can be reported with 99% confidence that the measured concentration is distinguishable from method …

  6. Open File Report 99-193 - USGS

    Limitations of the USEPA MDL procedure include the assumptions of normal distribution and constant standard deviation over the low-concentration range from the spike concentration that is used to …

  7. To obtain this information in a different format, call: 651-201-5324. The method detection limit (MDL-Revision 2) is defined as the minimum measured concentration of a substance that can be reported …

  8. heir Use in Compliance Reporting The Method Detection Limit (MDL) is the minimum concentration of a substance that can be measured and reported with 99% confidence that the analyte concentration is …

  9. Dec 13, 2016 · The method detection limit (MDL) is defined as the minimum measured concentration of a substance that can be reported with 99% confidence that the measured concentration is …

  10. Detection Limit Calculator - Determine Method Detection Limits ...

    Professional Detection Limit Calculator to determine method detection limits (MDL) and quantification limits (LOQ) for analytical methods and instruments. Calculate minimum detectable concentrations …