Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods (ISO 10695:2000); German version EN ISO 10695:2000
Edition 2000-11

Water quality - Determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivatization (ISO 15913:2000); German version EN ISO 15913:2003
Edition 2003-05

Water quality - Determination of trace elements using atomic absorption spectrometry with graphite furnace (ISO 15586:2003); German version EN ISO 15586:2003
Edition 2004-02

Water quality - Determination of the acute lethal toxicity of substances to a freshwater fish [Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)] - Part 1: Static method (ISO 7346-1:1996); German version EN ISO 7346-1:1997
Edition 1998-03

Water quality - Determination of cadmium by atomic absorption spectrometry (ISO 5961:1994); German version EN ISO 5961:1995
Edition 1995-05

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

Water quality - Determination of the acute lethal toxicity of substances to a freshwater fish [Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)] - Part 3: Flow-through method (ISO 7346-3:1996); German version EN ISO 7346-3:1997
Edition 1998-03

Water quality - Determination of the acute lethal toxicity of substances to a freshwater fish [Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)] - Part 2: Semi-static method (ISO 7346-2:1996); German version EN ISO 7346-2:1997
Edition 1998-03

Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
Edition 1998-08

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