# The Fertilisers Regulations 1990, TRACE ELEMENTS


Group
Name of Material
Declarations
Limits of variation
(1)
(2)
(3)
(4)
*(5)
2
Boron, cobalt, copper, iron, manganese, magnesium and molybdenum
Total amount expressed as a percentage by weight when the amount present is at least 0.1 per cent by weight.
50.0% of the amount stated (for declarations of 250 mg/kg or less)
Total amount expressed in milligrams per kilogram when the amount present is less than 0.1 per cent by weight.
30.0% of the amount stated (for declarations exceeding 250 mg/kg)

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Source: https://www.legislation.gov.uk/uksi/1990/887/schedule/1/crossheading/trace-elements (the official version)
Page: https://openlegislation.uk/fertilisers-regulations-1990/schedule-1/crossheading-trace-elements
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.