Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Method by analysis of inorganic carbon in sealed vessels (CO₂ headspace test) (ISO 14593:1999); German version EN ISO 14593:2005
Edition 2005-09

Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test (ISO 9439:1999); German version EN ISO 9439:2000
Edition 2000-10

Water quality - Determination of dissolved bromate - Method by liquid chromatography of ions (ISO 15061:2001); German version EN ISO 15061:2001
Edition 2001-12

Water quality - Detection and enumeration of bacteriophages - Part 1: Enumeration of F-specific RNA bacteriophages (ISO 10705-1:1995); German version EN ISO 10705-1:2001
Edition 2002-01

Water quality - Detection and enumeration of bacteriophages - Part 2: Enumeration of somatic coliphages (ISO 10705-2:2000); German version EN ISO 10705-2:2001
Edition 2002-01

Water quality - Digestion for the determination of elements in water - Part 2: Nitric acid digestion (ISO 15587-2:2002); German version EN ISO 15587-2:2002
Edition 2002-07

Water quality - Digestion for the determination of selected elements in water - Part 1: Aqua regia digestion (ISO 15587-1:2002); German version EN ISO 15587-1:2002
Edition 2002-07

Water quality - Sampling - Part 19: Guidance on sampling of marine sediments (ISO 5667-19:2004); German version EN ISO 5667-19:2004
Edition 2004-09

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

Water quality - Determination of dissolved Li⁺, Na⁺, NH₄⁺, K⁺, Mn²⁺, Ca²⁺, Mg²⁺, Sr²⁺ and Ba²⁺ using ion chromatography - Method for water and waste water (ISO 14911:1998); German version EN ISO 14911:1999
Edition 1999-12