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Amerikaans milieuagentschap (US EPA) verstrengt de norm voor fijn stof (PM2.5)

 

WASHINGTON – In response to a court order, the U.S. Environmental Protection Agency (EPA) today 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. By 2020, ninety-nine percent of U.S. counties are projected to meet revised health standard without any additional actions

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