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  • Irrigation - Hygienic concerns of irrigation water

    Standard [CURRENT] 1999-02

    DIN 19650:1999-02

    Irrigation - Hygienic concerns of irrigation water

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  • German standard methods for the examination of water, waste water and sludge - Microbiological methods (group K) - Part 25: Protocol for the validation of alternative confirmation procedures and for verification of validated alternative confirmation procedures (K 25)

    Standard [CURRENT] 2025-11

    DIN 38411-25:2025-11

    German standard methods for the examination of water, waste water and sludge - Microbiological methods (group K) - Part 25: Protocol for the validation of alternative confirmation procedures and for verification of validated alternative confirmation procedures (K 25)

    Microbiological testing of water is currently performed according to the methods specified in regulations which, depending on the method, require confirmation of the detected microorganisms. This ...

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  • Water quality - Detection of human enteroviruses by monolayer plaque assay; German version EN 14486:2005

    Standard [CURRENT] 2005-08

    DIN EN 14486:2005-08

    Water quality - Detection of human enteroviruses by monolayer plaque assay; German version EN 14486:2005

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  • Influence of materials on water for human consumption - Enhancement of microbial growth (EMG); German version EN 16421:2014

    Standard [CURRENT] 2015-05

    DIN EN 16421:2015-05

    Influence of materials on water for human consumption - Enhancement of microbial growth (EMG); German version EN 16421:2014

    Water intended for human consumption comes into contact with construction products during storage, transportation and distribution, including water systems inside buildings. The materials used in ...

    This standard is part of the DVGW body of rules.

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  • Water quality - Nomenclatural requirements for the recording of biodiversity data, taxonomic checklists and keys; German version EN 16493:2014

    Standard [CURRENT] 2014-11

    DIN EN 16493:2014-11

    Water quality - Nomenclatural requirements for the recording of biodiversity data, taxonomic checklists and keys; German version EN 16493:2014

    This European Standard specifies the most relevant rules of the Botanical and Zoological Codes necessary for unequivocal recording of biodiversity in the aquatic environment. Furthermore, guidance ...

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  • 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

    Standard [CURRENT] 1993-04

    DIN EN 26461-1:1993-04

    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

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  • 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

    Standard [CURRENT] 1993-04

    DIN EN 26461-2:1993-04

    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

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  • Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999); German version EN ISO 6222:1999

    Standard [CURRENT] 1999-07

    DIN EN ISO 6222:1999-07

    Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999); German version EN ISO 6222:1999

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  • Water quality - Requirements for the performance testing of membrane filters used for direct enumeration of microorganisms by culture methods (ISO 7704:2023); German version EN ISO 7704:2023

    Standard [CURRENT] 2023-12

    DIN EN ISO 7704:2023-12

    Water quality - Requirements for the performance testing of membrane filters used for direct enumeration of microorganisms by culture methods (ISO 7704:2023); German version EN ISO 7704:2023

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  • Water quality - Evaluation of the "ready", "ultimate" aerobic biodegradability of organic compounds in an aqueous medium - Method by analysis of dissolved organic carbon (DOC) (ISO 7827:2010); German version EN ISO 7827:2012

    Standard [CURRENT] 2013-03

    DIN EN ISO 7827:2013-03

    Water quality - Evaluation of the "ready", "ultimate" aerobic biodegradability of organic compounds in an aqueous medium - Method by analysis of dissolved organic carbon (DOC) (ISO 7827:2010); German version EN ISO 7827:2012

    This International Standard specifies a method for the evaluation of the "ready" and "ultimate" biodegradability of organic compounds by aerobic microorganisms at a given range of concentrations.

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