German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production by means of the light and dark bottle method under laboratory conditions (SPL) (L 14) (determination of oxygen production potential)
Edition 1983-09

Test methods for wound dressings - Aspects of absorption, moisture vapour transmission, waterproofness and extensibility; German version EN 13726:2023
Edition 2023-12

Microbiological analysis of meat and meat products; detection of clostridium botulinum and botulinum toxin
Edition 1988-06

Microbiology of food and animal feeding stuffs - Horizontal method for the determination of low numbers of presumptive Bacillus cereus - Most probable number technique and detection method (ISO 21871:2006); German version EN ISO 21871:2006
Edition 2006-04

Microbiology of the food chain - Horizontal method for the enumeration of psychrotrophic microorganisms (ISO 17410:2019)
Edition 2021-11

Animal feeding stuffs - Methods of sampling and analysis - Detection of tylosin, spiramycin and virginiamycin - Thin Layer Chromatography and bioautography; German version EN 16939:2017
Edition 2017-10

Paper and board - Determination of the cytotoxicity of aqueous extracts using a metabolically competent hepatoma cell line (HepG2); German version EN 16418:2014
Edition 2014-07

Water quality - Determination of biochemical oxygen demand after n days (BODₙ) - Part 2: Method for undiluted samples (ISO 5815:1989, modified); German version EN 1899-2:1998
Edition 1998-05

Paper and board intended to come into contact with foodstuffs - Preparation of an organic solvent extract; German version EN 15519:2007
Edition 2008-01

German standard methods for the examination of water, waste water and sludge - Sub-animal testing (group T) - Part 3: Determination of the genotype potential of water and waste water components with the umu-test (T 3)
Edition 1996-12