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2. Normative continuity
Microbiological monitoring of water is based on the identification and enumeration of target micro-organisms, mostly bacteria.
Numerous microbiological methods for the detection and enumeration of bacteria have been developed and are now widely used on a routine basis. For each method, the choice of culture medium and incubation conditions, as well as the nature of the sample and the quality of the sampling, have an influence on bacterial isolation and enumeration. All these conditions confer variable precision on microbiological examination, and have led to the need to harmonize analytical methods in laboratories by establishing standards (reference, routine or validated commercial methods).
The use of standardized methods is of paramount importance in standardizing microbiological water quality criteria from one laboratory to another,...
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Bibliography
Bibliography
Standards and norms
- Exigences générales concernant la compétence des laboratoires d'étalonnage et d'essais - NF EN ISO/CEI 17025 - 12-17
- Quality management systems – Requirements - NF EN ISO 9001 - 10-15
- Qualité de l'eau : lignes directrices générales pour les examens microbiologiques sur milieu de culture - NF EN ISO 8199 - 11-18
- Termes et définitions utilisés en rapport avec les matériaux de référence - ISO Guide 30...
Regulations
European regulations
European Directive 75/440/EEC of June 16, 1975 concerning the quality required of surface water intended for the abstraction of drinking water in the Member States. OJEC n° L 194/26 of July 25, 1975
European Directive No. 76/160/EEC of December 8, 1975 concerning the quality of bathing water; OJEC No. L. 31/1 of February 5, 1976, replaced and repealed on...
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