# Commission Regulation (EU) No 284/2013 of 1 March 2013 setting out the data requirements for plant protection products, in accordance with Regulation (EC) No 1107/2009 of the European Parliament and of the Council concerning the placing of plant protection products on the market (Text with EEA relevance), Division 2.4: Acidity/alkalinity and pH value

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

In the case of aqueous plant protection products, the pH value of the neat plant protection product shall be determined and reported.
In the case of solid and non-aqueous liquid plant protection products which are to be applied as aqueous dilutions the pH of a 1 % dilution of the plant protection product shall be determined and reported.
In the case of plant protection products which are acidic (pH < 4) or alkaline (pH > 10) the acidity or alkalinity shall be determined and reported.

---
Source: https://www.legislation.gov.uk/eur/2013/284/annex/section/2/division/2.4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2013-284/annex/section-2/division-2.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.