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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Developing a sampling plan
   4.1 Sampling objectives
   4.2 Using sampling results
   4.3 Variability considerations
5 Sampling equipment and containers
   5.1 General
   5.2 Sampling Equipment
   5.3 Containers and sample preservation
6 Sampling procedure
   6.1 Sampling regime
        6.1.1 General
        6.1.2 Sample type
        6.1.3 Time-basis sampling
        6.1.4 Composite sampling
   6.2 Replicate sampling
   6.3 Methodology
        6.3.1 General
        6.3.2 Sample size
        6.3.3 Sampling from tanks and road tankers
        6.3.4 Sampling from pipes
        6.3.5 Sampling from open channels
        6.3.6 Sampling of sludge cake from heaps and
               stockpiles
        6.3.7 Sampling from wagons
        6.3.8 Sampling from belt conveyors
        6.3.9 Sampling from long piles
   6.4 Sample homogenization and subsampling for sludge
        cakes (quartering)
        6.4.1 General
        6.4.2 Sample reduction to provide multiple subsamples
7 Sample storage
   7.1 General
   7.2 Storage
8 Safety
9 Labelling and Reporting
Annex A (Informative) - Support on the selection of equipment
   A.1 General
Annex B (informative) - Vacuum sampling devices
   B.1 Thick sludge from open vessels
   B.2 Thin sludge
Annex C (informative) - Apparatus for sampling from pipes under
        pressure
Annex D (informative) - Hazard Analysis Critical Control Point
        (HACCP)
Bibliography