I.S. EN ISO 11731:2017
Current
The latest, up-to-date edition.
WATER QUALITY - ENUMERATION OF LEGIONELLA (ISO 11731:2017)
Hardcopy , PDF
English
01-01-2017
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
National Foreword
European foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and glassware
6 Culture media and reagents
7 Sampling
8 Procedure
9 Expression of results
10 Test report
11 Quality assurance
Annex A (informative) - Legionella species
Annex B (normative) - Culture media
Annex C (normative) - Diluents
Annex D (normative) - Acid solution
Annex E (informative) - Scraping or rubbing the
bacteria from membrane filters
Annex F (informative) - Centrifugation technique
Annex G (informative) - Indirect immunofluorescent
antibody assay for the identification of Legionella
species
Annex H (informative) - Performance data
Annex I (informative) - Pre-treatment of water related
matrices
Annex J (normative) - Decision matrix
Bibliography
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