Sentences with phrase «federal air quality standards»

They find that variation in ozone concentrations at levels well below federal air quality standards have a significant impact on productivity.

A design value is the three - year average of pollution concentrations measured at each monitoring location and is used to determine whether a county is in attainment with federal air quality standards.

We find robust evidence that ozone levels well below federal air quality standards have a significant impact on productivity.

University of Iowa researchers report that Iowa falls within federal air quality standards for fine particulates.

Nearly one half of all Americans — an estimated 150 million — live in areas that don't meet federal air quality standards.

The Danskammer Plant, located along the shore of the Hudson River in the town of Newburgh, New York, has been responsible for more toxic pollution than nearly all of the total 646 industrial sites in the state and numerous violations of federal air quality standards.

Variation in ozone concentrations at ozone levels well below federal air quality standards have a significant impact on productivity.

When ozone exposure decreased by 10 parts per billion — and was at a level well below the federal air quality standard — the workers were 5.5 percent more productive.

Since a large body of evidence links pollution with poor health, and health is an important part of human capital, efforts to reduce pollution could plausibly be viewed as an investment in human capital and thus a tool for promoting economic growth... We find robust evidence that ozone levels well below federal air quality standards have a significant impact on productivity: a 10 ppb decrease in ozone concentrations increases worker productivity by 4.2 percent.