German standard methods for the examination of water, waste water and sludge - Anions (Group D) - Part 23: Determination of selenium by atomic absorption spectrometry (D 23)
Edition 1994-10

Pulps - Determination of stock concentration (ISO 4119:1995); German version EN ISO 4119:1996
Edition 1996-05

Workplaces atmospheres; size fraction definitions for measurement of airborne particles; German version EN 481:1993
Edition 1993-09

Wood preservatives - Determination of toxic values against Reticulitermes species (European termites) (Laboratory method); German version EN 117:2023
Edition 2024-04

Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014); German version EN ISO 8968-1:2014
Edition 2014-06

Radiological protection - Monitoring and dosimetry for internal exposures due to wound contamination with radionuclides (ISO 20031:2020); German version EN ISO 20031:2022
Edition 2022-10

Bolted Connections with Reduced Shank; Survey, Range of Application and Examples of Installation
Edition 1974-09

Water quality - Determination of polybrominated diphenyl ethers (PBDE) in sediment, suspended (particulate) matter and biota - Method using gas chromatography-tandem mass spectrometry or high resolution mass spectrometry (GC-MS/MS; HRMS) (ISO/DIS 22032:2025); German and English version prEN ISO 22032:2025
Edition 2025-05

German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 11: Determination of selected organic plant protecting agents by Automated Multiple Development (AMD)-technique (F 11)
Edition 1995-01