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Publications of CEN/TC 230

DIN EN 17211 2020-11 Standards Water quality - Guidance on mapping of seagrasses and macroalgae in the eulittoral zone; German version EN 17211:2019 More  Order from DIN Media
DIN EN 17218 2020-09 Standards Water quality - Guidance on sampling of mesozooplankton from marine and brackish water using mesh; German version EN 17218:2019 More  Order from DIN Media
DIN EN 17233 2021-11 Standards Water quality - Guidance for assessing the efficiency and related metrics of fish passage solutions using telemetry; German version EN 17233:2021 More  Order from DIN Media
DIN EN 18110 2025-11 Standards Water quality - Assessment of damage to fish passing through pumping stations and hydropower plants - Methods based on live fish passage survival test and blade strike model; German version EN 18110:2025 More  Order from DIN Media
DIN EN 25663 1993-11 Standards Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993 More  Order from DIN Media
DIN EN 25813 1993-01 Standards Water quality; determination of dissolved oxygen; iodometric method (ISO 5813:1983); german version EN 25813:1992 More  Order from DIN Media
DIN EN 26461-1 1993-04 Standards Water quality; detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia); part 1: method by enrichment in a liquid medium (ISO 6461-1:1986); german version EN 26461-1:1993 More  Order from DIN Media
DIN EN 26461-2 1993-04 Standards Water quality; detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia); part 2: method by membrane filtration (ISO 6461-2:1986); german version EN 26461-2:1993 More  Order from DIN Media
DIN EN 26777 1993-04 Standards Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993 More  Order from DIN Media
DIN EN 27888 1993-11 Standards Water quality; determination of electrical conductivity (ISO 7888:1985); German version EN 27888:1993 More  Order from DIN Media

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