90.93 Standard confirmed Jul 12, 2022
CEN
CEN/TC 230 Water analysis
European Norm
13.060.45 Examination of water in general
Published
This guidance standard specifies equipment and procedures for collecting floating pupal exuviae of Chironomidae from aquatic habitats; rivers from source to estuary, canals, ponds, lakes and sea coasts. Guidance in preparing specimens for subsequent identification is provided. These samples provide representative data on relative species abundance, suitable for numerical analysis, classification and monitoring of environmental conditions.
Legislation related to this standard
Directive 2000/60/EC of the European Parliament and of the Council of 23 October 2000 establishing a framework for Community action in the field of water policy (substitutes Directive Reference 01/991 - Common Position on WFD)
Council Directive 91/676/EEC concerning the protection of waters against pollution caused by nitrates from agricultural sources
PUBLISHED
EN 15196:2006
90.93
Standard confirmed
Jul 12, 2022
