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Norm

ÖNORM B 5020

Issue date: 2013 11 01

Requirements for microbiological water quality in evaporative recooling plants

This ÖNORM describes demands for the water quality for the avoidance of legionella growth in evaporative cooling installations. The points relevant for hygiene by plannin...
Withdrawn: 2024 03 15
This ÖNORM describes demands for the water quality for the avoidance of legionella growth in evaporative cooling installations. The points relevant for hygiene by planning, implementation, operation, supervision and reconstruction of open wet cooling towers and vaporisation cooler with closed circulations are described.
ÖNORM B 5020
2024 03 15
Requirements for microbiological water quality in evaporative recooling plants
Norm
ÖNORM B 5020
2013 11 01
Requirements for microbiological water quality in evaporative recooling plants
Norm
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ÖNORM EN ISO 11731-2
Issue date : 2008 11 01
Water quality - Detection and enumeration of Legionella - Part 2: Direct membrane filtration method for waters with low bacterial counts (ISO 11731-2:2004)
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Issue date : 2008 05 01
Water quality - Detection and enumeration of Pseudomonas aeruginosa - Method by membrane filtration (ISO 16266:2006)
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ÖNORM EN ISO 19458
Issue date : 2006 11 01
Water quality - Sampling for microbiological analysis (ISO 19458:2006)
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ÖNORM ISO 11731
Issue date : 2013 11 01
Water quality -- Detection and enumeration of Legionella (ISO 11731:1998)
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Issue date : 2023 01 15
Ventilation and air conditioning plants - Specifications keeping them clean and cleaning - National supplement to ÖNORM EN 15780
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ÖNORM B 5020
Issue date : 2024 03 15
Requirements for microbiological water quality in evaporative recooling plants