Foreword
Introduction
1 Scope
2 Terms and definitions
3 Monitoring programme design
4 Sampling equipment
5 Sampling program design
5.1 General
5.2 Frequency and timing of sampling
5.3 Location of sampling points
5.3.1 General
5.3.2 Mobile tankers
5.3.3 Static tanks
5.3.4 Bulk storage tanks on airplanes, trains and ships
5.3.5 Non-contiguous sources
5.3.6 Bottled water supplied in an emergency
5.4 Pre-collection cleaning, disinfection and flushing
5.4.1 General
5.4.2 Tanks
5.4.3 Taps or faucets
5.4.4 Dip sampling
5.4.5 Non-contiguous sources
6 Sample collection and handling
6.1 General
6.2 Volume of samples
6.2.1 General
6.2.2 Precautions to minimize contamination
6.2.3 Sampling for physical, chemical and radiological
analysis
6.2.4 Sampling for microbiological examination
6.2.5 Sampling for pathogens and viruses
7 Field measurements
8 Safety precautions
9 Sample identification and records
10 Quality assurance and quality control of sampling
10.1 General
10.2 Sampling manual
10.3 Training of samplers
10.4 Independent audits
Annex A (informative) Examples of hazard factors associated with
failure to clean and disinfect tanks between fillings,
including refilling before emptying
Annex B (informative) Example of a sampling report
Annex C (informative) Guidance on the sampling of biofilms
Bibliography