Ehstoday 1057 Smokestack
Ehstoday 1057 Smokestack
Ehstoday 1057 Smokestack
Ehstoday 1057 Smokestack
Ehstoday 1057 Smokestack

EPA Received 230,000 Comments on Next Round of Clean Air Standards to Reduce Harmful Soot Pollution

Jan. 15, 2013
In response to a court order, the U.S. Environmental Protection Agency (EPA) has finalized an update to its national air quality standards for harmful fine particle pollution (PM2.5), including soot, setting the annual health standard at 12 micrograms per cubic meter.

The new EPA Clean Air Standard, which was proposed in June and is consistent with the advice from the agency’s independent science advisors, sets the annual health standard at 12 micrograms per cubic meter and is based on an extensive body of scientific evidence that includes thousands of studies. Many of the large studies used by EPA to set the standard show negative health impacts from PM2.5 at lower levels than previously understood.

EPA also utilized extensive consultation with stakeholders, including the public, health organizations and industry, and after considering more than 230,000 public comments.

The new standard has no effect on the existing daily standard for fine particles or the existing daily standard for coarse particles (PM10), which includes dust from farms and other sources), both of which remain unchanged. By 2020, ninety-nine percent of U.S. counties are projected to meet EPA’s revised health standard without any additional actions.

“These standards are fulfilling the promise of the Clean Air Act. We will save lives and reduce the burden of illness in our communities, and families across the country will benefit from the simple fact of being able to breathe cleaner air,” said EPA Administrator Lisa P. Jackson, who in December announced that she would be leaving the agency.

Fine particle pollution can penetrate deep into the lungs and has been linked to a wide range of serious health effects, including premature death, heart attacks and strokes, as well as acute bronchitis and aggravated asthma among children. A federal court ruling required EPA to update the standard based on best available science. The new standard builds on steps already taken by EPA to slash pollution in communities across the country. Thanks to these steps, 99 percent of U.S. counties are projected to meet the standard without any additional action.

It is expected that fewer than 10 counties, out of the more than 3,000 counties in the United States, will need to consider any local actions to reduce fine particle pollution in order to meet the new standard by 2020, as required by the Clean Air Act. The rest can rely on air quality improvements from federal rules already on the books to meet this new standard.

Clean Air Benefits

By 2030, it is expected that all standards that cut PM2.5 from diesel vehicles and equipment alone will prevent up to 40,000 premature deaths, 32,000 hospital admissions and 4.7 million days of work lost due to illness.

Because reductions in fine particle pollution have direct health benefits including decreased mortality rates, fewer incidents of heart attacks, strokes, and childhood asthma, the PM2.5 standards have major economic benefits with comparatively low costs. EPA estimates health benefits of the revised standard to range from $4 billion to over $9 billion per year, with estimated costs of implementation ranging from $53 million to $350 million. While EPA cannot consider costs in selecting a standard under the Clean Air Act, those costs are estimated as part of the analysis undertaken for all significant regulations, as required by Executive Order 13563 issued by President Obama in January 2011.

The Clean Air Act requires EPA to review its air quality standards every 5 years to determine whether the standards should be revised. The law requires the agency to ensure the standards are “requisite to protect public health with an adequate margin of safety” and “requisite to protect the public welfare.” A federal court required EPA to issue final standard by Dec. 14, because the agency did not meet its 5-year legal deadline for reviewing the standards.

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