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  • BSI
    BS EN 13623:2020 Chemical disinfectants and antiseptics. Quantitative suspension test for the evaluation of bactericidal activity against Legionella of chemical disinfectants for aqueous systems. Test method and requirements (phase 2, step 1)
    Edition: 2020
    $442.60
    / user per year

Description of BS EN 13623:2020 2020

This document specifies a test method and the minimum requirements for bactericidal activity of chemical disinfectant products intended to be used for treatment in aqueous systems against Legionella pneumophila that form a homogeneous, physically stable preparation when diluted with buffered ferrous hard water or hard water. Whenever Legionella pneumophila poses a risk to human health, this method is suitable for water used in cooling towers and water for general purposes, like spas, pools, showers and other uses. The method is not suitable for electro-chemical disinfection.

The document applies to products used as a single application shock treatment in order to kill Legionella pneumophila. It is not suitable for the evaluation of those products that are dosed continuously into water systems to control the growth of Legionella pneumophila.

NOTE 1

The method described is intended to determine the activity of commercial formulations or active substances under the conditions in which they are used.

NOTE 2

This method corresponds to a phase 2 step 1 test.

NOTE 3

This method does not take into account the fact that Legionella pneumophila is often found in cells of amoebae and/or biofilms and that thereby a product’s activity against the bacteria may be reduced.

EN 14885 specifies in detail the relationship of the various tests to one another and to "use recommendation".



Standard NumberBS EN 13623:2020
TitleChemical disinfectants and antiseptics. Quantitative suspension test for the evaluation of bactericidal activity against Legionella of chemical disinfectants for aqueous systems. Test method and requirements (phase 2, step 1)
StatusDefinitive
Publication Date2020-11-02
ReplacesBS EN 13623:2010
Identical National Standard OfEN 13623
DescriptorsMicrobiological-resistance tests, Antiseptics, Bacteria count methods, Disinfectants, Suspensions (chemical), Bacteriocide-activity determination, Microbiological analysis, Bacteriocides, Cooling towers, Water supply (buildings), Disinfectant tests, Count methods (microbiology)
ICS71.100.35 Chemicals for industrial and domestic disinfection purposes, 11.080.20 Disinfectants and antiseptics
CommitteeCH/216
ISBN978 0 580 99825 6
PublisherBSI
Pages42

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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