Évaluation des risques environnementaux : analyse critique de l’approche méthodologique européenne (TGD) à partir d’un exemple d’application in situ

Abstract : The aim of this study was to test field relevance of the prospective methodology for the assessment of environmental risk described in the EU technical guidance document (TGD) [European Commission 2003. Technical guidance document in support of Commission Directive 93/67/EEC on Risk assessment for new notified substances and Commission Regulation (EC) No 1488/94 on Risk assessment for existing substances and Commission Directive (EC) 98/8 on biocides, second edition European Commission, Luxembourg, Part 1, 2 and 3, 760pp.]. To achieve this goal, an environmental risk assessment was performed according to the TGD for a major contaminant, atrazine, that is present in the Seine River estuary (France). Results showed that atrazine presented a source of risk in the upper- and mid-estuary throughout the 1993 and 1996 spring seasons. Results are discussed and some suggestions for a more realistic in situ risk assessment are given. For the computation of a more relevant PNEC for pesticides, their specific mode of action should be taken into consideration as well as ecotoxicological data on species endemic to the area considered.
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Alice James, Eric Thybaud. Évaluation des risques environnementaux : analyse critique de l’approche méthodologique européenne (TGD) à partir d’un exemple d’application in situ. Rapport Scientifique INERIS, 2009, 2008-2009, pp.48-50. ⟨ineris-01869246⟩

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