Division 2 Contaminants in an inorganic macronutrient fertiliser must not exceed the following limit values:
United Kingdom
(a) cadmium (Cd) (b) hexavalent chromium (Cr VI) (c) mercury (Hg) (d) nickel (Ni) (e) lead (Pb) (f) arsenic (As) (g) biuret (C2H5N3O2) (h) perchlorate (ClO4-)
- (i)
where an inorganic macronutrient fertiliser has a total phosphorus (P) content of less than 5 % phosphorus pentoxide (P2O5)-equivalent by mass: 3 mg/kg dry matter, or
- (ii)
where an inorganic macronutrient fertiliser has a total phosphorus (P) content of 5 % phosphorus pentoxide (P2O5)-equivalent or more by mass (‘phosphate fertiliser’): 60 mg/kg phosphorus pentoxide (P2O5);
2 mg/kg dry matter,
1 mg/kg dry matter,
100 mg/kg dry matter,
120 mg/kg dry matter,
40 mg/kg dry matter,
12 g/kg dry matter,
50 mg/kg dry matter.