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AS/NZS 4276.3.2:2003

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Water microbiology Heterotrophic colony count methods - Plate count of water containing biocides (Reconfirmed 2013)
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

06-20-2023

Language(s)

English

Published date

03-18-2003

Publisher

Standards Australia

This Standard sets out a method for estimating the number of colony-forming units (CFUs) in water using a pour plate technique and R2A Agar. For waters which may contain growth-inhibiting additives which have not been neutralized, plate counts starting with the 1:100 dilution are recommended in order to eliminate interference with counts. This increases the lower detection limit of the method to 100 cfu/mL. This limit is generally adequate for applications such as the monitoring of cooling tower water.

This Standard sets out a method for estimating the number of colony-forming units (CFUs) in water using a pour plate technique and R2A Agar. For waters which may contain growth-inhibiting additives which have not been neutralized, plate counts starting with the 1:100 dilution are recommended in order to eliminate interference with counts. This increases the lower detection limit of the method to 100 cfu/mL. This limit is generally adequate for applications such as the monitoring of cooling tower water.

Committee
FT-020
DocumentType
Standard
ISBN
0 7337 5066 4
Pages
4
ProductNote
This standard has been reconfirmed in Australia in 2013 and remains current in New Zealand. Reconfirmation Notice 05-12-2013
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

First published as AS/NZS 4276.3.2:2003.Reconfirmed 2013. First published as AS/NZS 4276.3.2:2003.

AS 4276.1-1995 Water microbiology General information and procedures
AS 4276.2-1995 Water microbiology Culture media, diluents and reagents (Reconfirmed 2013)

AS/NZS 3666.3:2011 Air-handling and water systems of buildings - Microbial control Performance-based maintenance of cooling water systems

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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