90.93 Standard confirmed May 21, 2008
CEN
CEN/TC 230 Water analysis
European Norm
13.060.30 Sewage water
Published
Specifiies a method for potable, raw and waste water. A list of effects of other substances on the result is given in the annex. As standard nitrite solutions may become unstable, the concentration of these solutions has to be checked by a given procedure.
PUBLISHED
EN 26777:1993
90.93
Standard confirmed
May 21, 2008