Wastewater treatment plants - Part 16: Physical (mechanical) filtration; German version EN 12255-16:2005
Edition 2005-12

Products used for treatment of water intended for human consumption - Iron-coated granular activated alumina; German version EN 14369:2015
Edition 2015-06

Wastewater engineering - Vocabulary
Edition 2016-11

Wastewater treatment plants - Part 5: Lagooning processes; German and English version prEN 12255-5:2022
Edition 2022-03

Biogas - Biogas production, conditioning, upgrading and utilization - Terms, definitions and classification scheme (ISO 20675:2018); German version EN ISO 20675:2021
Edition 2022-11

Brazing for aerospace applications - Qualification test for brazers and brazing operators - Brazing of metallic components (ISO 11745:2022)
Edition 2023-04

Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation; German and English version prEN 12255-13:2021
Edition 2021-07

Wastewater treatment plants - Part 4: Primary treatment; German and English version prEN 12255-4:2021
Edition 2021-09

Domestic and non-domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW; German version EN 17082:2019
Edition 2020-04

Petroleum, petrochemical and natural gas industries - Air-cooled heat exchangers (ISO 13706:2011); English version EN ISO 13706:2011, only on CD-ROM
Edition 2012-03