Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Universal Access Number (UAN) service - Service description; English version ETS 300710:1997
Edition 1997-12

Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Premium Rate (PRM) service; service description; English version ETS 300712:1997
Edition 1997-12

Hydrology; basic terms
Edition 1992-12

Chimneys - Components - Concrete flue blocks; German version EN 1858:2008+A1:2011
Edition 2011-09

Chimneys - Components - Concrete flue liners; German version EN 1857:2010
Edition 2010-08

Domestic swimming pools - Environmental performance efficiency - Performance evaluation, methodology, and classification of the use of outdoor pools and their equipment; German version EN 17645:2022
Edition 2022-11

Drinking water supply from small units and non stationary plants - Part 2: Non stationary units - Guidelines for drinking water, planning, construction, operation and maintenance of units
Edition 2018-01

Guidelines for the management of assets of water supply and wastewater systems - Part 4: Wastewater treatment plants, sludge treatment facilities, pumping stations, retention and detention facilities (ISO 24516-4:2019)
Edition 2021-08

Water quality - Determination of certain explosives and related compounds - Method using high-performance liquid chromatography (HPLC) with UV detection (ISO 22478:2006); German version EN ISO 22478:2006
Edition 2006-07

Postal services - Quality of service - Measurement of the transit time of end-to-end services for bulk mail; German version EN 14534:2023
Edition 2024-03