# Commission Regulation (EU) No 547/2011 of 8 June 2011 implementing Regulation (EC) No 1107/2009 of the European Parliament and of the Council as regards labelling requirements for plant protection products (Text with EEA relevance), Division: SPo 4

Extent: E+W+S+N.I.

The container must be opened outdoors and in dry conditions.
The phrase shall be assigned to plant-protection products containing active substances which may react violently with water or damp air, such as aluminium phosphide, or which may cause spontaneous combustion, such as (alkylenebis-) dithiocarbamates. This phrase may also be assigned to volatile products classified with R20, 23 or 26. Expert judgement must be applied in individual cases, to assess whether the properties of the preparation and the packaging are such as to cause harm to the operator.

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Source: https://www.legislation.gov.uk/eur/2011/547/annex/III/division/1/division/3/division/3.2/division/4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2011-547/annex-III/division-1/division-3/division-3.2/division-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.