Water quality - Determination of permanganate index (ISO 8467:1993); German version EN ISO 8467:1995
Edition 1995-05

Water quality - Determination of alkalinity - Part 2: Determination of carbonate alkalinity (ISO 9963-2:1994); German version EN ISO 9963-2:1995
Edition 1996-02

Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999); German version EN ISO 6222:1999
Edition 1999-07

Measurement of vibration immissions - Part 1: Vibration meters - Requirements and tests
Edition 2020-06

Water quality - Guidance on the estimation of fish abundance with mobile hydroacoustic methods; German version EN 15910:2014
Edition 2014-07

German standard methods for the determination of water, waste water and sludge - Jointly determinable substances (group F) - Part 3: Determination of polychlorinated biphenyls (F 3)
Edition 1998-07

Water quality - Calibration and evaluation of analytical methods and estimation of performance characteristics - Part 2: Calibration strategy for non-linear second-order calibration functions (ISO 8466-2:2001)
Edition 2004-06

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

Acoustics - Determination of aircraft noise immission at airports - Part 1: Calculation method; Text in German and English
Edition 2020-11

Water quality - Guidance on sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment; German version EN 15196:2006
Edition 2006-10