- Classification of substances -
Effect on Aquatic organisms
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Classification criteria:
The criteria for classifying substances as dangerous for the environment are based on the combination of the elements toxicity, degradaton and bioaccumulation. The following links provides detailed expert advice on the interpretation of available aquatic toxicity data, including how to use non-standard data:

Click here for information on interpretation of available toxicity data Click here for information on interpretation of available degradation data Click here for information on interpretation of available bioaccumulation data


Classifications may result in any of the following categories:

Criteria for classification as N; R50-53 Criteria for classification as N; R51-53 Criteria for classification as R52

Criteria for classification as N; R50 Criteria for classification as R52-53 Criteria for classification as R53

(Click on a category to display criteria)



Application of criteria to:
Click here for information
to: Click here for information about metals Click here for information about mineral oils