Products used for treatment of water intended for human consumption - Natural unexpanded aluminosilicates; German version EN 15795:2010
Edition 2010-12

Chemicals used for treatment of swimming pool water - Trichloroisocyanuric acid; German version EN 15032:2006+A1:2008
Edition 2008-06

Chemicals used for treatment of water intended for human consumption - Aluminium iron(III) chloride (monomeric) and aluminium iron(III) chloride hydroxide (monomeric); German version EN 935:2004
Edition 2005-02

Chemicals used for treatment of water intended for human consumption - Polyaluminium chloride hydroxide silicate; German version EN 885:2004
Edition 2005-02

Devices to prevent pollution by backflow of potable water - Automatic diverter - Family H, type C; German version EN 14506:2005
Edition 2005-08

Devices to prevent pollution by backflow of potable water - Hose union backflow preventer DN 15 to DN 32 - Family H; type A; German version EN 14454:2005
Edition 2005-08

Devices to prevent pollution by backflow of potable water - Pressurised air inlet valves DN 15 to DN 50 - Family L, type A and type B; German version EN 14455:2005
Edition 2005-08

Chemicals used for treatment of water intended for human consumption - Trisodium orthophosphate; German version EN 1200:2005
Edition 2005-06

Chemicals used for treatment of water intended for human consumption - Potassium dihydrogen orthophosphate; German version EN 1201:2005
Edition 2005-06

Chemicals used for treatment of water intended for human consumption - Disodium dihydrogen pyrophosphate; German version EN 1205:2005
Edition 2005-06