Sentence examples for criteria pollutant from inspiring English sources

Statistically significant associations persist in the early 1990s, when the Bay Area met national air pollution standards for every criteria pollutant.

They are regulated primarily by establishing ambient air quality standards, which are maximum acceptable concentrations of each criteria pollutant in the atmosphere, regardless of its origin.

If the suit succeeds, the E.P.A. will be required to classify carbon dioxide as a "criteria pollutant," under the Federal Clean Air Act, and that would trigger, the state's lawyers say, a process of setting standards for allowable levels in the atmosphere, as the federal government now does for ozone, lead and sulfur dioxide and other gasses.

It is considered to be a criteria pollutant in the troposphere the lowermost layer of the atmosphere but not in the upper atmosphere, where it occurs naturally and serves to block harmful ultraviolet rays from the Sun.

Another criteria pollutant emitted significant amounts by diesel engines is primary PM.

Particulate matter (PM) is a criteria pollutant emitted from animal feeding operation (AFO) facilities, especially from poultry operation buildings.

For example, examining the effect of air pollution as measured by criteria pollutants on the incidence of asthma must consider related factors.

Air pollution levels were only modestly elevated, and maximum levels for U.S. EPA criteria pollutants were all below accepted or proposed National Air Quality Standards (Table 3).

It is the most abundant of the criteria pollutants.

The six criteria pollutants are described in turn below.

"If you use biodiesel instead of petroleum, you lower almost all the criteria pollutants coming out of your tailpipe," says Shari Friedman, an environmental consultant based in Washington.