Sterilization of health care products - Chemical indicators - Part 3: Class 2 indicator systems for use in the Bowie and Dick-type steam penetration test (ISO 11140-3:2007, including Cor 1:2007); German version EN ISO 11140-3:2009
Edition 2009-09

Sterilization of health care products - Chemical indicators - Part 4: Class 2 indicators as an alternative to the Bowie and Dick-type test for detection of steam penetration (ISO 11140-4:2007); German version EN ISO 11140-4:2007
Edition 2007-07

German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 60: Analytical quality assurance for chemical and physicochemical water analysis (A 60)
Edition 2013-12

German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of Daphnia to the toxicity of waste water by way of a dilution series (L 30)
Edition 1989-03

German standard methods for the examination of water, waste water and sludge - Sub-animal testing (group T) - Part 4: Determination of the genotoxic potential using the Salmonella microsome test (Ames Test) (T 4)
Edition 1999-12

German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H), determination of the settleable matter by volume in water and waste water (H9)
Edition 1980-07

Biomimetics - Biomimetic structural optimization (ISO 18459:2015)
Edition 2016-08

Image quality assurance in diagnostic laboratories - Part 1: Constancy testing of ultrasound equipment for medical diagnosis and monitoring
Edition 2022-01

Road Vehicles - Electric igniters of pyrotechnic systems - Requirements and test conditions; Text in German and English
Edition 2023-06