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

allowing for the effective control of microbiological (MB) growth

offset-tube

The lab performance evaluation

elimination of chemical container disposal issues and is environment all safe

The results of the tests have been used to generate reduction factors to be applied to the properties tested

This evaluation was the last

The helper towers are now in commercial operation and recent field drift testing has validated the results of the R&D program

000 cubic feet)

and planned operation

storage and handling

With the fiberglass conversion

After a year in operation