2 Modification to the Scope Add in the first paragraph, "and silver chloride" to read: "This European Standard is applicable to silver nitrate, silver sulfate and silver chloride for the preservation of water intended for human consumption in intermittent applications in: ¾ð water supply plants, including their pipeline networks (small-size plants); ¾ð water for the preparation of foodstuffs; ¾ð and other water which is stored in packaged form or kept in enclosed systems (for example, water supply systems in land, water and airborne vehicles).".