Job related proficiency assessment
Edition 2016-07

Protection of metallic materials against corrosion - Corrosion likelihood in soil - Part 2: Low alloyed and non alloyed ferrous materials; German version EN 12501-2:2003
Edition 2003-08

Engineering services - Terminology to describe engineering services for buildings, infrastructure and industrial facilities; German version EN 16310:2013
Edition 2013-05

German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 62: Plausibility check of analytical data by performing an ion balance (A 62)
Edition 2014-12

Characterization of solids - Sampling of solid and semi-solid materials - Part 1: Guidance for the segmental sampling of stockpiles of unknown composite
Edition 2014-05

Principles of the ergonomic design of assistive systems
Edition 2020-01

Industrial-process control valves - Part 5: Marking (IEC 60534-5:2004); German version EN 60534-5:2004
Edition 2004-09

German standard methods for the examination of water, waste water and sludge - Sludge and sediments (group S) - Part 22: Determination of dry residue by freezing and preparation of the freeze dried mass of sludge (S 22)
Edition 2018-10

Characterization of solids - Sampling of solid and semi-solid materials - Part 5: Guidance for sampling hot-spots of populations
Edition 2018-06

Project management - Project management systems - Part 1: Fundamentals
Edition 2009-01