Waterproofing of roofs, balconies and walkways - Part 4: Non-utilized and utilized roofs - Maintenance
Edition 2017-07

Wastewater treatment plants - Part 8: Sludge treatment and storage; German version EN 12255-8:2001
Edition 2001-10

Wastewater treatment plants - Part 9: Odour control and ventilation; German version EN 12255-9:2002
Edition 2002-04

Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants; German version EN 12255-15:2003
Edition 2004-04

Wastewater treatment plants - Part 14: Disinfection; German version EN 12255-14:2003
Edition 2004-03

Reference conditions and procedures for testing industrial and process measurement transmitters - Part 5: Specific procedures for flow transmitters (IEC 62828-5:2020); German version EN IEC 62828-5:2020
Edition 2022-08

Non-destructive testing - Eddy current testing for testing of heat exchanger tubes from the inside - Part 1: General principles
Edition 2023-12

Mine support - Part 5: Marking of parts of mine support
Edition 2016-03

Hinged closures, round - Part 4: Light version, nominal diameter DN 150 to DN 800
Edition 2020-04

Optics and photonics - Preparation of drawings for optical elements and systems - Part 14: Wavefront deformation tolerance (ISO 10110-14:2018)
Edition 2019-09