Measurement of oxygen transfer of aeration eqiupment in activated sludge
Edition 2008-09-01

UV plants for the photochemical treatment of pool water - Requirements for design, installation and operation
Edition 2016-12-15

Calculation of heating costs
Edition 2002-07-01

Guidelines for the ecological study and assessment of rivers - Concepts
Edition 2005-12-01

Floating tubs - Technical preconditions, operation, maintenance and inspection
Edition 2018-08-01

Requirements for the characteristics of water in indoor-, outdoor- and therapy pools
Edition 2016-11-15

Swimming and bathing pools - Requirements for pool hydraulics and water treatment
Edition 2020-08-01

Swimming and bathing pools - Internal supervision, maintenance and preventive servicing of water treatment plants
Edition 2017-07-01

Requirements for public and commercial sauna installations, infrared cabins, steam and other warm chambers - Part 1: Sauna and sauna in combination with infrared thermal sources and sauna cabin with controlled air moisture
Edition 2016-11-01

Requirements for public and commercial sauna installations, infrared cabins, steam and other warm chambers - Part 2: Infrared cabins
Edition 2022-04-15