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Washington • The Obama administration announced a new air pollution standard Friday that would bring about a 20 percent reduction in microscopic particles of soot emitted by coal-fired power plants and diesel vehicles that contribute to haze and respiratory ailments.
The new limit, fought by industry and welcomed by environmentalists, marks the first time the Environmental Protection Agency tightened the soot standard since it was established 15 years ago.
"These standards are fulfilling the promise of the Clean Air Act," said EPA Administrator Lisa P. Jackson. "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."
Fine particles from burning fossil fuels can penetrate deep into the lungs and lead to heart attacks, acute asthma and premature death, according to the EPA. The new limit that the EPA set for an annual average of airborne fine particles in a given jurisdiction is 12 micrograms per cubic meter, down from 15 micrograms established in 1997.
Industry attacked the standard as onerous and of dubious benefit to public health and a sign of more regulation in the future.
"We fear this new rule may be just the beginning of a 'regulatory cliff' that includes forthcoming ozone rules, the refinery sector rules, pending greenhouse gas regulations for refineries," said Howard Feldman, director of regulatory and scientific affairs at the American Petroleum Institute, the oil industry's main lobby. "It makes no sense to risk economic harm when the public health necessity of these regulations is ambiguous at best."
Recent research by the Harvard School of Public Health has shown that reducing fine particle pollution even by small amounts can lead to an increase in life expectancy.
The EPA estimated that by 2030, the reduction in soot "from diesel vehicles and equipment alone" could prevent up to 40,000 premature deaths and 4.7 million days of work lost due to illness. The agency estimates that it would cost industry $53 million to $350 million annually to comply with the new standard. But it estimated the annual savings in health care and other costs to be around $4 billion to $9.1 billion.
Right now, 99 percent of U.S. counties are already in compliance with the new standard, the EPA said.