Leather - Determination of degradability by micro-organisms (ISO 20136:2020)
Edition 2021-05-12

Earthworks - Geotechnical laboratory tests - Part 1: Degradability test standard.
Edition 2023-02-08

Water quality - Evaluation of the "ultimate" anaerobic biodegradability of organic compounds in digested sludge - Method by measurement of the biogas production (ISO 11734:1995)
Edition 1999

Water quality - Evaluation of the "ultimate" anaerobic biodegradability of organic compounds in digested sludge - Method by measurement of the biogas production
Edition 1995-12

Earthworks - Geotechnical laboratory tests - Part 1: Degradability test standard; German version EN 17542-1:2022
Edition 2022-08

Leather - Determination of degradability by micro-organisms (ISO 20136:2020); German version EN ISO 20136:2020
Edition 2020-12

Testing of lubricants and related products - Determination of the rapid biodegradability - Part 1: General
Edition 2000-11

Earthworks - Part 2: Classification of materials; German version EN 16907-2:2018
Edition 2019-04

Plastics - Thermoplastic mulch films recoverable after use, for use in agriculture and horticulture; German version EN 13655:2018
Edition 2018-05

German standard methods for the examination of water, waste water and sludge; bio-assays (group L); surfactant biodegradation and elimination test for simulation of municipal waste water treatment plants (L 26)
Edition 1994-05