EPA ignores advisers on particulate matter standards

By The Center for Public Integrity

EPA's advisory board recommended tightening regulations on pollution from diesel vehicles and power plants, but EPA decided against it

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Excerpts from this story referencing "National Ambient Air Quality Standards":

"… standards. Agency administrator Stephen L. Johnson said his 2006 ruling on National Ambient Air Quality Standards for fine particulate matter was “based on the best available science,” …"