The notification of new substances has to take place in accordance to the Dutch law concerning these new substances Act, the Notification Decision, and the Guideline of the European Community (79/831/EEC). In this report on "Evaluation Philosophy Development" the possibilities are dealt with to perform a standardized risk evaluation based on the data from the research reports available. In this sense standardized means an evaluation as consistent and consequent as possible. A distinction is made to the research subjects available at the different notification levels. Therefore, at higher notification levels risks for more organisms can be evaluated in one hand. In the other hand, also preliminary indicated risks can be estimated more accurately because some effects of the substances have been investigated in more detail.

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