What does OSHA recommend wearing while collecting samples from cooling towers?

When collecting samples from cooling towers, the use of a respirator is highly recommended due to the potential exposure to aerosolized contaminants, including Legionella bacteria. Cooling towers can serve as a breeding ground for this pathogen, especially in conditions of stagnant water or inadequate treatment. The respirator provides a critical barrier against inhalation of contaminated droplets that may be present in the air during sampling.

The recommendation for a respirator emphasizes the importance of personal protective equipment (PPE) in work environments where there is a risk of respiratory exposure. Protecting the respiratory system is crucial in preventing potential health issues associated with inhaling harmful pathogens. Thus, using a respirator aligns with established safety practices to minimize health risks while performing fieldwork in environments prone to contamination.