Standard
Track updates
AS 2031:2025
[Current]AS 2031:2025 adopts and modifies ISO 19458:2006, which provides guidance on planning water sampling regimes, sampling procedures for microbiological analysis and transport, handling and storage of samples until analysis begins. It focuses on sampling for microbiological investigations.
Published: 27/06/2025
Pages: 25
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Sampling point
4 Sampling technique
4.1 Personnel
4.2 Sample containers
4.2.1 General
4.2.2 Sterilization of bottles
4.2.3 Inactivation of disinfectants
4.2.4 Quality control of sample bottles
4.2.4.1 Testing of sterility
4.2.4.2 Testing for the presence of inactivating agents
4.2.4.3 Testing for residual toxicity in sample bottles
4.3 Reagents, apparatus and materials
4.3.1 Reagents
4.3.1.1
4.3.1.2
4.3.1.3
4.3.1.4
4.3.2 Apparatus and materials
4.3.2.1
4.3.2.2
4.3.2.3
4.3.2.4
4.3.2.5
4.3.2.6
4.3.2.7
4.3.2.8
4.3.2.9
4.3.2.10
4.3.2.11
4.3.2.12
4.3.2.13
4.3.2.14
4.3.2.15
4.4 Filling procedure
4.4.1 Potable water from a tap
4.4.1.1 General
4.4.1.2 Water in treatment works and storage tanks
4.4.1.3 Water in the distribution main
4.4.1.4 Water as it is delivered to the consumers tap
4.4.1.5 Water as it is consumed
4.4.2 Water from springs and wells
4.4.3 Water from swimming pools
4.4.4 Surface waters
4.4.4.1 Bathing waters
4.4.4.2 Sea, lakes, rivers: from a boat
4.4.5 Waste waters
4.4.6 Surface-associated microorganisms
4.5 Sampling form
5 Transport and storage
5.1 Transport
5.2 Time delay
Annex A
A.1 General
A.2 Calculation
A.3 Examples
A.3.1 Example A.3.1
A.3.2 Example A.3.2
A.3.3 Example A.3.3
A.3.4 Example A.3.4
Annex B
Bibliography
Appendix ZZ
ZZ.1 Scope
ZZ.2 Variations
Cited references in this standard
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