scope:

This European Standard defines terms for wastewater treatment. However, it is not totally complete with a small number of terms still requiring to be defined. The aim of this European Standard is to establish a standardized terminology in the field of wastewater treatment in the three official languages of CEN: German, English and French. The terms defined in this standard will be the basis for the elaboration of corresponding product and performance standards and can be stated more precisely in specific standards.