90.93 Standard confirmed Mar 9, 2026
CEN
CEN/TC 164 Water supply
European Norm
71.100.80 Chemicals for purification of water
This European Standard is applicable to phosphoric acid used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding test methods for phosphoric acid. It gives information on its use in water treatment. It also determines the rules relating to safe handling and use (see annex B).
NOTE Conformity with this standard does not confer or imply acceptance or approval of the product in any of the Member States of the EU or EFTA. The use of the product covered by this European Standard is subject to regulation or control by National Authorities.
Legislation related to this standard
Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
WITHDRAWN
EN 974:1997
PUBLISHED
EN 974:2003
90.93
Standard confirmed
Mar 9, 2026