Chapter 2

Risk assessment of chemicals

Can I use the PNEC derived for aquatic organisms to calculate the risk quotient of the sediment compartment? If yes, how and what are the assumptions?

You are tasked to derive the PNEC for a chemical (genistein) for which you know that it has an estrogenic effect. What does that mean for the choice of aquatic species you test?

What is the difference between "classification and labelling" and risk assessment?