Chemicals used for treatment of water intended for human consumption - Sodium chloride for regeneration of ion exchangers; German version EN 973:2009
Edition 2009-12

Brewhouse plants - Minimum specifications
Edition 2021-02

Explosion prevention and protection in underground mines - Equipment and protective systems for firedamp drainage; German version EN 14983:2007
Edition 2007-06

Ventilation for buildings - Air handling units - Rating and performance for units, components and sections; German version EN 13053:2019
Edition 2020-05

Leather - Physical and mechanical tests; Determination of resistance to grain cracking and grain crack index (ISO 3378:2002); German version EN ISO 3378:2002
Edition 2003-10

Solid recovered fuels - Determination of the current rate of aerobic microbial activity using the real dynamic respiration index; German version EN 15590:2011
Edition 2011-11

External cathodic protection of well casings; German version EN 15112:2022
Edition 2022-07

Shell boilers - Part 12: Requirements for grate firing systems for solid fuels for the boiler; German version EN 12953-12:2003
Edition 2004-01

German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Well construction and geothermal probes
Edition 2023-09

Respiratory protective devices - Methods of test - Part 5: Climatic conditions; German version EN 13274-5:2001
Edition 2001-10