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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 T90-350
Water quality - Determination of the standardized global biological index

Title (German)

Wasseruntersuchungen - Bestimmung der genormten biologischen Gesamtzahl

Edition 2004-03-01

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 T90-350 Water quality - Determination of the standardized global biological index

Want to learn more?

NF T90-350
Water quality - Determination of the standardized global biological index