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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 T90-355-1 ; NF EN ISO 8689-1:2000-05-01
Water quality - Biological classification of rivers - Part 1: guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates

Title (German)

Wasserbeschaffenheit - Biologische Klassifizierung von Fliessgewässern - Teil 1: Richtlinie zur Interpretation von Beschaffenheitsdaten zur Untersuchung von benthischen Makroinvertebraten in Fliessgewässern

Edition 2000-05-01

Original language French

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Terminology

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 T90-355-1 ; NF EN ISO 8689-1:2000-05-01 Water quality - Biological classification of rivers - Part 1: guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates

Want to learn more?

NF T90-355-1 ; NF EN ISO 8689-1:2000-05-01
Water quality - Biological classification of rivers - Part 1: guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates