Table 2.

Arguments pro and contra human biomonitoring

Arguments pro human biomonitoring:	Arguments contra human biomonitoring:
A need for scientific knowledge	The problem is well known
	The problem is already under control
	Practical constraints: money and time consuming and privacy sensitive
	Technical constraints: requires a big group and sensitivity of measurement is problematic
	Results may be difficult to interpret
It can have a catalytic effect for problem solving action	Research should not slow down problem solving action
It addresses the worries of neighbouring people	It may cause panic and unnecessary concerns
An investment in a better image for the region	It can give the region a bad image
Awareness raising effect
The problem is serious
It evaluates effect of (ongoing) policy actions
There is local support for it