Article R1321-50 of the French Public Health Code
I.-Products and processes placed on the market and intended for the treatment of water intended for human consumption, including chemical treatment agents and filter media, must, under normal or foreseeable conditions of use in public or private distribution networks and inside buildings, comply with specific provisions defined by order of the Minister for Health, aimed at ensuring that: 1° They are not likely, either intrinsically or through their residues, to:…