# The Control of Major Accident Hazards Regulations 2015, Paragraph 18


Potassium nitrate (1,250/5,000).
This applies to any composite potassium nitrate based fertiliser (in crystalline form) which has the same hazardous properties as pure potassium nitrate.

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Source: https://www.legislation.gov.uk/uksi/2015/483/schedule/1/paragraph/18 (the official version)
Page: https://openlegislation.uk/control-of-major-accident-hazards-regulations-2015/schedule-1/paragraph-18
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.