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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

NF T90-431
Water quality - Detection and enumeration of Legionella spp and Legionella pneumophilia - Method by direct inoculation and after concentration by membrane filtration of centrifugation

Title (German)

Wasserbeschaffenheit - Nachweis und Zählung von Legionella spp und von Legionella pneumophila - Verfahren durch direkte Beimpfung und nach Konzentration durch Membranfiltration oder Zentrifugation

Edition 2017-08-26

Original language French

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF T90-431 Water quality - Detection and enumeration of Legionella spp and Legionella pneumophilia - Method by direct inoculation and after concentration by membrane filtration of centrifugation

Want to learn more?

NF T90-431
Water quality - Detection and enumeration of Legionella spp and Legionella pneumophilia - Method by direct inoculation and after concentration by membrane filtration of centrifugation