The Planning (Hazardous Substances) (No. 2) Regulations (Northern Ireland) 2015 No. 344

SCHEDULE 2 N.I. HAZARDOUS SUBSTANCES AND CONTROLLED QUANTITIES

PART 4 N.I. NOTES TO PARTS 1 TO 3

16.  Ammonium nitrate (350/2,500): technical grade N.I.

This applies to ammonium nitrate and mixtures of ammonium nitrate in which the nitrogen content as a result of the ammonium nitrate is—

(a) between 24.5% and 28% by weight, and which contain not more than 0.4% combustible substances;

(b) more than 28% by weight, and which contain not more than 0.2% combustible substances.

It also applies to aqueous ammonium nitrate solutions in which the concentration of ammonium nitrate is more than 80% by weight.