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Soil quality — Sampling — Part 201: Physical pretreatment in the field
- sample division methods aimed at reducing the size/volume of the sample;
- the production of composite samples;
- the selection of a specific fraction of the sampled material.
ISO 18400-201:2017
- does not apply to samples required for biological or microbiological examination,
- does not apply to soil materials sampled for the content of volatile components, and
NOTE 1 These soil materials are intended to be sampled according to ISO 22155.
-? does not give instructions for particle size reduction.
NOTE 2 Guidance for particle size reduction is given in ISO 11464, ISO 14507 and ISO 23909.
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