Data sources and information basis on hazardous substances

Once it is analysed which substances are present within the waste in question, it needs to be analysed if the identified substances are hazardous substances and how their chemical classification is determined. Annex 2 provides guidance on both, the examination whether identified substances are hazardous substances and their classification. It further describes data sources providing relevant information for this purpose. The major data sources are displayed in Figure 5. Reference is made to the respective chapter of this document (grey box) and to the official source (blue box). Further explanations on the data sources including information on their precedence are given in the respective paragraphs below.

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Source: EUR-Lex (Cellar) · retrieved 2026-09-07