German standard methods for the examination of water, waste water and sludge; cations (group E); determination of nickel by atomic absorption spectrometry (AAS) (E 11)
Edition 1991-09

German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); detection of salmonellae in disinfected sewage sludge (S 13)
Edition 1992-03

German standard methods for the examination of water, waste water and sludge - Sub-animal testing (group T) - Part 1: Determination of cholinesterase inhibiting organophosphorus and carbamate pesticides (cholinesterase inhibition test) (T 1)
Edition 1995-02

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

Compensators made of elstomeric compound materials (rubber-compensators) for warm water heating-plants; up to a maximum operating-temperature of 100 °C and a maximum pressure of 10 bar
Edition 1986-11

German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of the amenability to anaerobic digestion (S 8)
Edition 1985-06

German standard methods for the examination of water, waste water and sludge; general information (group A); sampling of water from mineral springs and spas (A 18)
Edition 1991-05

Water quality; determination of dissolved oxygen; iodometric method (ISO 5813:1983); german version EN 25813:1992
Edition 1993-01

German standard methods for the examination of water, waste water and sludge; cations (group E); determination of cobalt by atomic absorption spectrometry (AAS) (E 24)
Edition 1993-03

German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 26: Determination of thallium by atomic absorption spectrometry (AAS) using electrothermal atomisation (E 26)
Edition 1997-07