What is BS EN 1018 about?
BS EN 1018 is applicable to calcium carbonate used for treatment of water intended for human consumption.
BS EN 1018 describes the characteristics of calcium carbonate and specifies the requirements and the corresponding test methods for calcium carbonate.
Who is BS EN 1018 for?
BS EN 1018 on water treatment is applicable to:
- Water analysis laboratories
- Calcium carbonate manufacturers
- Supplier of Calcium carbonate
- End users
- Government agencies and research centres
Why should you use BS EN 1018?
BS EN 1018 specifies the minimum purity requirements for calcium carbonate used for the
treatment of water intended for human consumption.
Depending on the raw material and the manufacturing process other impurities may be present and, if so, this shall be notified to the user and when necessary to relevant authorities.
BS EN 1018 provides national regulations in order to clarify whether it is of appropriate purity for treatment of water intended for human consumption, taking into account raw water quality, required dosage, contents of other impurities and additives used in the product not stated in this document.
What’s changed since the last update?
BS EN 1018:2021 supersede EN 1018:2013+A1:2015. In comparison with the previous edition, the following technical modifications have been made:
- modification of on transportation regulations and labelling, adding the sentence “The user shall be aware of the incompatibilities between transported products.”;
-
modification of on marking. The requirements of marking are also applied to the
accompanying documents; -
changes in the requirements for the composition of the porous products and their
impurities

