Contrary to earlier recommendations it is now universally agreed that, in order to maximise the amplitude of the detected signal,…
Browsing: Health
The first and most obvious effects of acid deposition were observed in freshwater ecosystems. Tens of thousands of lakes and…
While the CAA authorizes the EPA to set NAAQS, the states are responsible for establishing procedures to attain and maintain…
Observational studies of the influence of O3 on human health are often difficult to interpret because the population is also…
There are two primary U.S. NAAQS (National Ambient Air Quality Standards) for SO2. The short-term (24-hour) standard is set at…