Reference number
ISO 11731:2017
© ISO 2025
International Standard
ISO 11731:2017
Water quality — Enumeration of Legionella
Edition 2
2017-05
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Published (Edition 2, 2017)
This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 11731:2017

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Format
CHF 177
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Abstract

ISO 11731:2017 specifies culture methods for the isolation of Legionella and estimation of their numbers in water samples.

These methods are applicable to all kinds of water samples including potable, industrial, waste and natural waters. These methods can be used for water related matrices, e.g. biofilms, sediments, etc.

Not all Legionella species are culturable; therefore, the methods described in this document do not recover all species of Legionella.

General information

  • Status
     : Published
    Publication date
     : 2017-05
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 38
  • Technical Committee :
    ISO/TC 147/SC 4
    ICS :
    07.100.20 
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