The precise levels at which specific air pollutants become a health hazard are relatively easy to establish by existing surveillance systems. Is this statement true or false?

The statement is false because establishing the precise levels at which specific air pollutants become a health hazard is a complex task that is not easily achieved by current surveillance systems. While there are established air quality standards and guidelines (such as those set by the Environmental Protection Agency or other health organizations), the relationship between pollutant levels and health effects can vary significantly based on many factors, including individual susceptibility, exposure duration, and other environmental conditions. Additionally, the health effects of air pollutants can be different for various populations, such as children, the elderly, or those with pre-existing health conditions, which complicates the determination of specific hazard levels.

Moreover, surveillance systems typically monitor air quality and identify pollutants, but translating these data into precise health hazard levels requires comprehensive epidemiological studies and a deeper understanding of toxicological impacts. Thus, while surveillance is essential for identifying and tracking air quality issues, it does not provide a straightforward answer to the health risks posed by specific pollutant concentrations.