Significant decrease in contamination of eggs from the North Sea
Decreasing lead concentration in whole blood since the Lead-in Petrol Act became effective.
Considerable differences in contamination between a region with high anthropogenic impact and a semi-natural environment
With the beginning of spring, sampling of spruce and pine has been started. The one-year-old shoots have to be collected before sprouting begins, to proof the exposure to pollutants over the growing season.