Release of the Draft Integrated Review Plan for the National Ambient Air Quality Standards for Particulate Matter

The Environmental Protection Agency (EPA) is announcing the availability for public review of the draft document titled Draft Integrated Review Plan for the National Ambient Air Quality Standards for Particulate Matter (draft IRP). The draft IRP contains the current plans for the review of the air quality criteria for particulate matter (PM) and the primary and secondary national ambient air quality standards (NAAQS) for PM. The primary PM NAAQS are set to protect the public health and the secondary PM NAAQS are set to protect the public welfare from exposures to PM in ambient air.