Table 5.

Main arguments hotspot ranking

Ranking Hotspots	Main arguments
1. Industrial zone Genk	Severity of public health risks, need for knowledge for policy and local public support
2. Shredder Menen	Need for knowledge for policy and local public support
3. Mortality Dendermonde	Severity of public health effects
	Need for knowledge about the cause
4. Chipboard plants	Need for knowledge for policy
5. Industrial zone Ghent	Severity of public health risks and local public support
	Complexity of research in this case