German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production and oxygen consumption in an aquatic environment (SPG and SVG) by means of the light and dark bottle method (L 13) (determination of biogenic aeration rate)
Edition 1983-09

Wood and wood-based products - Calculation of the biogenic carbon content of wood and conversion to carbon dioxide; German version EN 16449:2014
Edition 2014-06

Solid biofuels - Determination of fines content in pellets (ISO/DIS 5370:2022); German and English version prEN ISO 5370:2022
Edition 2022-03

Stationary source emissions - Determination of the ratio of biomass (biogenic) and fossil-derived carbon dioxide - Radiocarbon sampling and determination (ISO 13833:2013); German version EN ISO 13833:2013
Edition 2013-07

Solid biofuels - Sample preparation (ISO 14780:2017 + Amd 1:2019); German version EN ISO 14780:2017 + A1:2019
Edition 2020-02

Solid biofuels - Vocabulary (ISO 16559:2022); German version EN ISO 16559:2022
Edition 2022-05

Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen (ISO 16948:2015); German version EN ISO 16948:2015
Edition 2015-09

Solid biofuels - Determination of major elements - Al, Ca, Fe, Mg, P, K, Si, Na and Ti (ISO 16967:2015); German version EN ISO 16967:2015
Edition 2015-07

Solid biofuels - Determination of minor elements (ISO 16968:2015); German version EN ISO 16968:2015
Edition 2015-09

Solid biofuels - Conversion of analytical results from one basis to another (ISO 16993:2016); German version EN ISO 16993:2016
Edition 2016-11