Soil improvers and growing media - Determination of the aerobic biological activity - Part 2: Self heating test for compost; German version EN 16087-2:2011
Edition 2012-01

Workplace exposure - Characterization of ultrafine aerosols/nanoaerosols - Determination of number concentration using condensation particle counters; German version EN 16897:2017
Edition 2017-09

Preferred numbers and series of preferred numbers - Introduction
Edition 1974-11

Plastics piping systems for water supply and for buried and above ground drainage, sewerage and irrigation under pressure - Oriented unplasticized poly(vinyl chloride) (PVC-O) - Part 1: General; German version EN 17176-1:2019
Edition 2019-07

Workplace atmospheres - Characterization of ultrafine aerosols/ nanoaerosols - Determination of the size distribution and number concentration using differential electrical mobility analysing systems (ISO 28439:2011); German version EN ISO 28439:2011
Edition 2011-07

Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: General (ISO 1452-1:2009); German version EN ISO 1452-1:2009
Edition 2010-04

Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium - Method by analysis of evolved carbon dioxide (ISO 14852:2021); German version EN ISO 14852:2021
Edition 2021-10

Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium - Method by measuring the oxygen demand in a closed respirometer (ISO 14851:2019); German version EN ISO 14851:2019
Edition 2019-07

Water quality - Determination of pH (ISO 10523:2008); German version EN ISO 10523:2012
Edition 2012-04

Water quality - Sampling - Part 14: Guidance on quality assurance and quality control of environmental water sampling and handling (ISO 5667-14:2014); German version EN ISO 5667-14:2016
Edition 2016-12