German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of green algae to the toxicity of waste water (Scenedesmus chlorophyll fluorescence test) by way of dilution series (L 33)
Edition 1991-03

Nanotechnologies - Generation of metal nanoparticles for inhalation toxicity testing using the evaporation/condensation method (ISO 10801:2010); German version EN ISO 10801:2010
Edition 2011-04

Solid biofuels - Fuel specifications and classes - Part 9: Graded hog fuel and wood chips for industrial use (ISO 17225-9:2021); German version EN ISO 17225-9:2021
Edition 2021-10

Non-destructive testing - Leak testing - Bubble emission techniques; German version EN 1593:1999
Edition 1999-11

Chemical analysis of steel - Order of listing elements in steel standards (ISO 6306:2020); German version EN ISO 6306:2023
Edition 2024-01

Carbon-fibre-reinforced plastics - Determination of compression-after-impact properties at a specified impact-energy level (ISO 18352:2009)
Edition 2017-11

Ambient air - Biomonitoring with lichens - Assessing epiphytic lichen diversity; German version EN 16413:2014
Edition 2014-08

Identification card systems - Man-machine interface - Part 5: Raised tactile symbols for differentiation of application on ID-1 cards; German version EN 1332-5:2006
Edition 2006-07

Paper and board intended to come into contact with foodstuffs - Determination of the transfer of antimicrobial constituents; German version EN 1104:2018
Edition 2019-01

Sludge, treated biowaste and soil - Determination of total nitrogen using dry combustion method; German version EN 16168:2012
Edition 2012-11