# Fertilisers (Sampling and Analysis) Regulations (Northern Ireland) 1996, Paragraph 3: PRINCIPLE


Solid fertilisers:
3.1 the whole final sample is ground to the required fineness. All the ground sample is thoroughly mixed before each test portion is taken.
Fluid fertilisers:
3.2 the final sample is thoroughly mixed before each test portion is taken.

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Source: https://www.legislation.gov.uk/nisr/1996/513/schedule/2/part/II/chapter/1./paragraph/3 (the official version)
Page: https://openlegislation.uk/fertilisers-sampling-and-analysis-regulations-northern-ireland-1996/schedule-2/part-II/chapter-1./paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.