| Time Frame (years) |
|
|---|---|
| PM monitors to be in place nationwide | 1998 - 2000 |
| PM monitoring data to be collected | 1998 - 2002 |
| EPA will designate nonattainment areas for PM | 2002 - 2004 |
| States will submit implementation plans for meeting the PM standard | 2004 - 2008 |
| States will have up to ten years to meet PM standards, plus two one-year extensions | 2012 - 2016 |
