Services of real estate agents - Requirements for the provision of services of real estate agents; German version EN 15733:2009
Edition 2011-07

Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018); German version EN ISO 20236:2021
Edition 2023-04

Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO/DIS 20236:2023); German and English version prEN ISO 20236:2023
Edition 2023-10

Solid recovered fuels - Methods for the determination of biomass content (ISO 21644:2021, Corrected version 2021-03); German version EN ISO 21644:2021
Edition 2021-07