Ethanol as a blending component for petrol - Determination of total acidity - Colour indicator titration method; German version EN 15491:2021
Edition 2022-02

Ballast water management - Requirements and tests - Part 1: Monitoring system for ballast water treatment installations
Edition 2011-03

Aerospace; mass breakdown for aircraft heavier than air; main mass groups and terms of mass; survey
Edition 1983-10

Water quality - Guidance on sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment; German version EN 15196:2006
Edition 2006-10

Ethanol as a blending component for petrol - Determination of water content - Karl Fischer coulometric titration method; German version EN 15489:2007
Edition 2007-11

Electrical ingeneering; basic environmental testing procedures; tests; guidance to test Kd: hydrogen sulphide H₂S (high concentration) for electrical contacts and connections; identical with IEC 60068-2-46, edition 1982
Edition 1985-08

Geotechnical investigation and testing - Field testing - Part 2: Dynamic probing (ISO 22476-2:2005 + Amd 1:2011); German version EN ISO 22476-2:2005 + A1:2011
Edition 2012-03

pH measurement - Reference buffer solutions for the calibration of pH measuring equipment
Edition 2015-05

Pumping stations; archimedian screw pumps; directives for planning
Edition 1992-03

Conservation of cultural property - Packing principles for transport; German version EN 15946:2011
Edition 2011-11