• 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]

SN EN ISO 8689-1
Water quality - Biological classification of rivers - Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates (ISO 8689-1:2000)

Title (German)

Wasserbeschaffenheit - Biologische Klassifizierung von Flüssen - Teil 1: Richtlinie zur Interpretation von biologischen Beschaffenheitsdaten aus Untersuchungen von benthischen Makroinvertebraten in Fliessgewässern (ISO 8689-1:2000)

Edition 2000-07
Original language German
Price from 51.30 €
Table of contents