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Division 3 Contaminants in an organo-mineral fertiliser must not exceed the following limit values:

United Kingdom

Original text. Later amendments are not shown.

(a) cadmium (Cd)
    1. (i)

      where an organo-mineral fertiliser has a total phosphorus (P) content of less than 5 % phosphorus pentoxide (P2O5)-equivalent by mass: 3 mg/kg dry matter, or

    2. (ii)

      where an organo-mineral 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);

  • (b) hexavalent chromium (Cr VI)
  • 2 mg/kg dry matter;

  • (c) mercury (Hg)
  • 1 mg/kg dry matter;

  • (d) nickel (Ni)
  • 50 mg/kg dry matter;

  • (e) lead (Pb)
  • 120 mg/kg dry matter;

  • (f) inorganic arsenic (As)
  • 40 mg/kg dry matter; and

  • (g) biuret (C2H5N3O2)
  • 12 g/kg dry matter.