# The Control of Major Accident Hazards Regulations 1999, Paragraph 1: Ammonium nitrate (350/2500)


This applies to ammonium nitrate and ammonium nitrate compounds in which the nitrogen content as a result of the ammonium nitrate is more than 28 per cent by weight (compounds other than those referred to in Note 2) and to aqueous ammonium nitrate solutions in which the concentration of ammonium nitrate is more than 90 per cent by weight.

---
Source: https://www.legislation.gov.uk/uksi/1999/743/schedule/1/part/3n1/paragraph/1 (the official version)
Page: https://openlegislation.uk/control-of-major-accident-hazards-regulations-1999/schedule-1/part-3n1/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.