Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General safety precautions
5 Design of sampling programmes
   5.1 General
   5.2 Broad objectives for the design of sampling
         programmes
   5.3 Specific considerations in relation to variability
   5.4 Identifying the sampling location
6 Characteristics and conditions affecting sampling
7 Sampling from specific types of water
   7.1 Natural waters
   7.2 Processed waters
8 Time and frequency of sampling
   8.1 General
   8.2 Water quality management programmes
   8.3 Quality characterization programmes
   8.4 Programmes for investigation of causes of contamination
   8.5 Statistical considerations
   8.6 Duration of sampling occasion and composite samples
9 Flow measurements and situations justifying flow measurements
   for water quality purposes
   9.1 General
   9.2 Direction of flow
   9.3 Velocity of flow
   9.4 Discharge rate
   9.5 Flow structure
   9.6 Cross-sectional area
   9.7 Justification for flow measurements in water quality
         control management
   9.8 Methods available for flow measurement
10 Sampling techniques
   10.1 General
   10.2 Spot samples
   10.3 Periodic samples (discontinuous)
   10.4 Continuous samples
   10.5 Series sampling
   10.6 Composite samples
   10.7 Large-volume samples
11 Sampling equipment
   11.1 General
   11.2 Types of sample container
12 Sampling equipment for physical or chemical characteristics
   12.1 General
   12.2 Equipment for spot sampling
   12.3 Grabs or dredges for sampling sediment
   12.4 Core samplers
   12.5 Sampling equipment for dissolved gases and volatile
         materials
   12.6 Sampling equipment for radioactivity characteristics
   12.7 Sampling equipment for biological and microbiological
         characteristics
   12.8 Automatic sampling equipment
   12.9 Preparation of sampling equipment
13 Avoidance of contamination
   13.1 General
   13.2 Sources of contamination
   13.3 Control of contamination
14 Transport to, and storage of samples at, the depot or
   laboratory
15 Sample identification and records
   15.1 General
   15.2 Samples that might be used for legal purposes
Annex A (informative) Diagrams illustrating types of periodic
                      and continuous samples
Bibliography