German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of the amenability to anaerobic digestion (S 8)
Edition 1985-06

Cosmetics - Microbiology - Enumeration and detection of aerobic mesophilic bacteria (ISO 21149:2017 + Amd 1:2022); German version EN ISO 21149:2017 + A1:2022
Edition 2023-01

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

Biotechnology - Large-scale process and production - General requirements for management and organization for strain conservation procedures; German version EN 1619:1996
Edition 1996-09

Liquid petroleum products - Bio-lubricants - Criteria and requirements of bio-lubricants and bio-based lubricants; German version EN 16807:2016
Edition 2016-12

Plastics - Determination of the ultimate aerobic biodegradability of plastic materials in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved (ISO 17556:2019); German version EN ISO 17556:2019
Edition 2019-09

Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test (ISO 9439:1999); German version EN ISO 9439:2000
Edition 2000-10

Packaging - Evaluation of the ultimate aerobic biodegradability of packaging materials under controlled composting conditions - Method by analysis of released carbon dioxide; German version EN 14046:2003
Edition 2003-07

Animal feeding stuffs: Methods of sampling and analysis - Detection and enumeration of Lactobacillus spp. used as feed additive; German version EN 15787:2021
Edition 2022-02

Biotechnology - Modified organisms for application in the environment - Guidance for the sampling strategies for deliberate releases of genetically modified plants; German version EN 12305:1997
Edition 1998-02