A review of the subject has been published by SCOPE in the report SCOPE 50 Radioecology after chernobyl.  This report has seven main subsections.
Sources of<unk> 
Case-studies of Significant Radioactive Releases (man made)
Atmospheric Pathways
Terrestrial Pathways
Radionuclide Aquatic Pathways
Behaviour and Decontamination of Artificial Radionuclides in the Urban Environment
Dosimetry and the Assessment of<unk>  Effects of Radiation Exposure
Appendices
References and Bibliography
Environmental radioactivity
Moral hazard
Water pollution
Passive smoking
Sports injury
Waterborne diseases
Dietary supplement
Human biting injuries