ENVIRONMENTAL HYGIENE III deals with the detection and evaluation of environmental pollutants as well as with their relevance to human health. Environmental components are important determinants of the health status of groups at risk and of the general population. The main objective is the early detection and identification of hazardous substances by physical, chemical and biological methods, risk assessment andprotection of human health. Faced with these problems the volume gives an overview on the mulifaceted aspects of environmental hygiene and medicine. Contributions include basic and innovative approaches in the fields of - Experimental cell biology - Cytotoxicity testing - Mutagenicity and carcinogenicity studies - Inhalation toxicity - Human exposure monitoring - Epidemiology - Important harzardous agents - Environmental control, prevention and legislation.