Sentences with phrase «level ozone standards»

Prepared and submitted public comments on behalf of energy industry client concerning proposed EPA regulations on ground level ozone standards under the Clean Air Act.

Not exact matches

Although ozone pollution is dropping across many parts of the United States, western Europe and Japan, many people living in those countries still experience more than a dozen days every year in which levels of the lung irritant exceed health - based standards.

ven so, during 2010 - 2014 people in parts of California, Arizona, Colorado, Texas, the Midwest and the Middle Atlantic still experienced more than 15 days a year in which ozone levels exceeded the U.S. health - based air quality standard of 70 parts per billion (ppb) averaged over eight hours.

The region's levels of ozone and particulate matter, two pollutants caused by both automobiles and industry, exceed national air quality standards.

Average number of days per year (2010 - 2014 average) when ozone levels exceed the US health - based air quality standard of 70 parts per billion (ppb) averaged over eight hours, at non-urban and urban sites.

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.

It is true that the Quality Control (QC) flag on the retrieval was set whenever the inferred ozone level dropped below 180 Dobson Units [1 DU is equivalent to a 0.01 mm thick pure ozone layer at standard temperature and pressure].

We've expressed puzzlement that the agency wants to impose more stringent standards when the existing ones are working — lowering ozone levels 18 percent between 2000 and 2013 according to EPA's own data.

They indicate that higher ozone concentrations, even at levels below current air quality standards in most of the world, have significant negative effects on worker productivity.

Health - related costs of the current effects of ozone air pollution exceeding national standards have been estimated at $ 6.5 billion (in 2008 U.S. dollars) nationwide, based on a U.S. assessment of health impacts from ozone levels during 2000 to 2002.153,154

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

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

The proposed new standard would cut the allowable threshold for ground - level ozone to between 65 and 70 parts per billion, down from the current 75 parts per billion.

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

Health - related costs of the current effects of ozone air pollution exceeding national standards have been estimated at $ 6.5 billion (in 2008 U.S. dollars) nationwide, based on a U.S. assessment of health impacts from ozone levels during 2000 — 2002.

Although the satellites are considered the gold - standard for measuring and observing sea levels, hurricanes / typhoons, ozone holes, sea ice, atmospheric CO2 distribution, polar ice sheet masses and etc., the same 24/7 technology used to measure temperatures across the entire habitable world is now being ignored (i.e., denied) due to the above inconvenient evidence.

Researcher Qian Di and colleagues find that particulate matter and ozone kills thousands of people every year, even at levels below the federal standard.

In 2013, the Government of Canada established more stringent and comprehensive outdoor air quality standards for fine particulate matter (a component of which is black carbon) and ground - level ozone.

After years of delay, the Obama Administration faced a court - ordered December 1 deadline to update the current 2008 standard on ground - level ozone, a by - product of burning fossil fuels.

«We're reducing emissions at the same time, but tightening the current ozone standard to near unachievable levels would serve as a self - inflicted wound to the U.S. economy at the worst possible time.

The EPA says ozone standards that have required scrubbers and other pollution - control equipment have yielded dramatic results, helping to slash average ozone levels 33 percent from 1980 to 2013.

In 2015, the EPA set the standard for ground - level ozone, one of the most common criteria pollutants, at 70 parts per billion (ppb), a standard at the lenient - end of the range recommended by EPA's scientific advisory committee.

In 2015, the EPA set the standard for ground - level ozone, one of the most common criteria pollutants, at 70 parts per billion (ppb), a standard at the lenient - end of the range

Ozone levels regularly exceed World Health Organization standards on approximately 300 days of the year.

A group of leading scientists appointed to advise the EPA had actually recommended stricter health standards for ozone levels - from 60 to 70 ppb.

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.

The White House announcement that it was overruling the Environmental Protection Agency's plan to adopt a stricter standard for ground - level ozone came just hours after another dismal jobs reports and in the midst of an intensifying political debate over the impact of federal regulations on job creation

Another data point in the continuing public discussion of EPA's plan to make the nation's standards for ozone more restrictive, even as the existing standards have ozone levels falling 18 percent from 2000 to 2013 — and giving every indication levels will continue to fall.

Included in the Obama Administration's «Unified Agenda» for 2015 are new, job - killing standards for ground - level ozone that are the product of a friendly lawsuit from the Sierra Club.