Yahoo! News - EPA Says 225 Counties Fail Air Standards
EPA Administrator Mike Leavitt announced the list, which included 18 fewer counties than the agency identified in a preliminary report in June. He emphasized the agency was for the first time specifically regulating for fine particles, or soot, that are 2.5 micrometers in diameter — 1/30th the width of a human hair. Such pollution comes from power plants, car exhaust, diesel-burning trucks, wood-burning stoves and other sources.
EPA considers it potentially the most significant air quality health standard, because soot can penetrate deeply into the lungs.
"This is not a story about the air getting dirtier," Leavitt told a news conference. "It is a story about higher, more stringent standards and healthier air."
About 95 million people live in the 225 counties and the nation's capital. EPA estimates the new standard, once met, will prevent at least 15,000 premature deaths, 95,000 cases of bronchitis and 10,000 hospital admissions for respiratory and cardiovascular diseases.
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