Optics and optical instruments - Field procedures for testing geodetic and surveying instruments - Part 2: Levels (ISO 17123-2:2001)
Edition 2023-12

Concepts, abbreviations and symbols in geodesy - Part 1: General
Edition 2020-03

Engineering geodesy - Part 3: Setting out
Edition 2024-05

Engineering geodesy - Part 2: Site surveying
Edition 2024-05

Engineering survey - Part 3: Setting out
Edition 2010-09

Engineering survey - Part 2: Site surveying
Edition 2010-09

Water quality - Guidance on the scope and selection of fish sampling methods; German version EN 14962:2006
Edition 2006-07

Water quality - Estimation of measurement uncertainty based on validation and quality control data (ISO/DIS 11352:2024); Text in German and English
Edition 2024-09

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

Water quality - Guidelines for the selection of sampling methods and devices for benthic macroinvertebrates in fresh waters (ISO 10870:2012); German version EN ISO 10870:2012
Edition 2012-10