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Notification threshold for ammonium nitrate

The Notification of Installations Handling Hazardous Substances Regulations 1982 (as amended) (NIHHS) require that anyone who handles or stores (or intends to handle or store) 150 tonnes or more of ammonium nitrate, or mixtures containing ammonium nitrate where the nitrogen content exceeds 15.75% of the mixture by weight, should notify HSE.

Find out how to notify HSE.

Updated 2011-10-20