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

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

Occupational health and safety - Hazard identification and elimination and risk assessment and control
Edition 2014-10-01

Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 1CB: Frame replicaton and elimination for reliability (Adopted ISO/IEC/IEEE 8802-1CB:2019, first edition, 2019-02)
Edition 2020-03-01

Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 1CB: Frame replication and elimination for reliability - Amendment 2: Extend stream identification functions (Adopted amendment 2:2023 to ISO/IEC/IEEE 8802-1CB:2019)
Edition 2025

Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 1CB: Frame replication and elimination for reliability - Amendment 1: Information model, YANG data model, and management information base module (Adopted amendment 1:2023 to ISO/IEC/IEEE 8802-1CB:2019)
Edition 2025