update:

BQ or missing

EN 1018:2013+A1:2015 Chemicals used for treatment of water intended for human consumption - Calcium carbonate
EN 13618:2016 Flexible hose assemblies in drinking water installations - Functional requirements and test methods
EN 15030:2012+A1:2015 Chemicals used for treatment of water intended for human consumption - Silver salts for intermittent use


the missing are:

EN 1017:2014+A1:2017 Chemicals used for treatment of water intended for human consumption - Half-burnt dolomite
CEN/TR 14740:2004 Chemical used for treatment of water intended for human consumption - Ozone-Production - Guidelines for installations and minimal functional requirements

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