Water quality - Determination of suspended solids - Method by filtration through glass fibre filters; German version EN 872:2005
Edition 2005-04

Water quality; determination of anionic surfactants by measurement of the methylene blue index MBAS (ISO 7875-1:1984, modified); German version EN 903:1993
Edition 1994-01

Water quality - Determination of chromium - Atomic absorption spectrometric methods; German version EN 1233:1996
Edition 1996-08

Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN); German version EN 1622:2006
Edition 2006-10

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

Water quality - Gas chromatographic determination of some selected chlorophenols in water; German version EN 12673:1998
Edition 1999-05

Water quality - Determination of parathion, parathion-methyl and some other organophosphorus compounds in water by dichloromethane extraction and gas chromatographic analysis; German version EN 12918:1999
Edition 1999-11

Water quality - Guidance standard for the routine sampling and preparation of benthic diatoms from rivers and lakes; German version EN 13946:2025
Edition 2025-11

Water quality - Sampling of fish with electricity; German version EN 14011:2003
Edition 2003-07

Water quality - Guidance for the surveying of aquatic macrophytes in running waters; German version EN 14184:2014
Edition 2014-08