Microbiology of the food chain - Detection and enumeration of Cryptosporidium and Giardia in fresh leafy green vegetables and berry fruits (ISO 18744:2016); German version EN ISO 18744:2016
Edition 2016-12

Organic, organo-mineral and inorganic fertilizers - Detection of Enterococcaceae; German version CEN/TS 17804:2022
Edition 2022-07

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

Medical microbiology - Quality management in medical microbiology - Part 3: Requirements for request and report forms
Edition 2014-08

Chemical disinfectants and antiseptics - Methods of airborne room disinfection by automated process - Determination of bactericidal, mycobactericidal, sporicidal, fungicidal, yeasticidal, virucidal and phagocidal activities; German version EN 17272:2020
Edition 2020-06

Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms (ISO 9509:2006); German version EN ISO 9509:2006
Edition 2006-10

Water quality - Determination of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test (ISO 11733:2004); German version EN ISO 11733:2004
Edition 2004-11

Lubricants - Determination of aerobic biological degradation of fully formulated lubricants in an aqueous solution - Test method based on CO₂-production; German version EN 17181:2019
Edition 2019-05

Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium - Method by analysis of evolved carbon dioxide (ISO 14852:2021); German version EN ISO 14852:2021
Edition 2021-10

Medical microbiology - Culture media - Part 5: Requirements and selection of culture media for the diagnostic of stool specimen
Edition 2005-04