German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production by means of the light and dark bottle method under laboratory conditions (SPL) (L 14) (determination of oxygen production potential)
Edition 1983-09

Information technology - Automatic identification and data capture techniques - Bar code master test specifications (ISO/IEC 15421:2010); German version EN ISO/IEC 15421:2024
Edition 2024-06

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

Information technology - Automatic identification and data capture techniques - Bar code print quality test specification; Linear symbols (ISO/IEC 15416:2000); German Version EN ISO/IEC 15416:2001
Edition 2002-06

All-or-nothing electrical relays - Tests and Measurements - Part 7-7: Functional Tests (IEC 94/599/CD:2021); Text in German and English
Edition 2022-09

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-34: Tests - Resistance to solvents and contaminating fluids (IEC 86B/4502/CD:2021); Text in German and English
Edition 2022-08

Digital cinema - Image Projection - Part 1: Image geometries for projection and mastering, their tolerances and test patterns; Text in German and English
Edition 2024-09

Water quality - Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium - Semi-continuous activated sludge method (SCAS) (ISO 9887:1992); German version EN ISO 9887:1994
Edition 1994-12

Foodstuffs - DNA Comet Assay for the detection of irradiated foodstuffs - Screening method; German version EN 13784:2001
Edition 2002-04

Water quality - General requirements and performance test procedures for water monitoring equipment - Continuous measuring devices; German and English version EN 17075:2018/prA1:2022
Edition 2022-02