Respiratory equipment - Open-circuit umbilical supplied compressed gas diving apparatus - Part 1: Demand apparatus; German version EN 15333-1:2008, Corrigendum to DIN EN 15333-1:2008-04; German version EN 15333-1:2008/AC:2009
Edition 2010-05

Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Method by analysis of biochemical oxygen demand (closed bottle test) (ISO 10707:1994); German version EN ISO 10707:1997
Edition 1998-03

German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of the chemical oxygen demand (COD), ranging from 5 to 50 mg/l (H 44)
Edition 1992-05

Water quality - Determination of biochemical oxygen demand after n days (BODₙ) - Part 2: Method for undiluted samples (ISO 5815:1989, modified); German version EN 1899-2:1998
Edition 1998-05

Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium - Method by measuring the oxygen demand in a closed respirometer (ISO 14851:2019); German version EN ISO 14851:2019
Edition 2019-07

Respiratory protective devices - Compressed air line breathing devices with demand valve - Part 1: Devices with a full face mask - Requirements, testing and marking; German version EN 14593-1:2018
Edition 2018-07

Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer (ISO 9408:1999); German version EN ISO 9408:1999
Edition 1999-12

Plastics - Determination of the ultimate aerobic biodegradability of plastic materials in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved (ISO 17556:2019); German version EN ISO 17556:2019
Edition 2019-09

Respiratory protective devices - Lung governed demand self-contained open-circuit compressed air breathing apparatus with full face mask or mouthpiece assembly for escape - Requirements, testing, marking; German version EN 402:2003
Edition 2003-09

Plastics - Determination of aerobic biodegradation of non-floating plastic materials in a seawater/sandy sediment interface - Method by measuring the oxygen demand in closed respirometer (ISO 18830:2016); German version EN ISO 18830:2017
Edition 2018-02