74-02: On the Question of Airborne Transmission of Pathogenic Organisms in

The siting or cooling towers on sewage-polluted waters and the probable widespread use in the future of treated sewage effluent as makeup has raised the question of dispersal of pathogenic organisms in cooling tower drift. This question has public health implications and needs an answer before the environmental effects of cooJJ.ng towers can be fully evaluated. Some information pertinent to this question, e.g., the occurrence of pathogenic organisms., the factors that affect their survival in water and air, and the relation to public health, is dis­cussed below. Some approaches to the problem are also prese