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VDI 4256 Blatt 1 Bioaerosols and biological agents - Determination of performance characteristics - Culture-based counting methods

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German title
Bioaerosole und biologische Agenzien - Ermittlung von Verfahrenskenngrößen - Zählverfahren basierend auf kulturellem Nachweis
Publication date
2010-10
Publisher
Engl. VDI/DIN-Kommission Reinhaltung der Luft (KRdL) - Normenausschuss
Author
Technical Division Environmental Measurement Technologies
Related manuals
Number of pages
40
Available in
German, English
Abstract

This guideline is dealing with the determination of statistical parameters required for the characterization of measurement methods with regard to the assessment of microbiological air pollutants, e.g. detection limit, determination limit, measurement uncertainty and overdispersion. These measurement methods are based on a cultural detection and enumeration of colony-forming units (CFU). The guideline mainly describes parameters to be determined during development of a method and provides the adequate means for an entire validation of the applied measurement method. Moreover, it supplies information on verification for the users of a corresponding standardized and validated method. Therefore, this guideline also serves as an aid for lab-internal quality assurance. This guideline also contains an Excel programme for evaluation of the described parameters in order to ease validation and verification.

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