Timeline for Implementing the PM2.5 Standards
 |
Note: EPA no longer updates this information, but it may be useful for historical purposes. See the PM Designations Home Page for more recent information about PM Designations. |
|
|
| Date |
Action |
| February 2004* |
State designation recommendations to EPA |
| June 28- 29, 2004 |
EPA letters to States responding to PM2.5 designation recommendations |
| December 2004 |
EPA finalizes designations |
| February 2005 |
EPA proposes implementation rule |
| Early 2006 |
EPA finalizes PM2.5 implementation rule |
| April 2008 |
State implementation plans due |
| Up to April 2010 with extension up to 2015 possible |
Attainment
dates for nonattainment areas (based on the previous 3 years of monitoring
data) |
* Consolidated Appropriations Bill of FY2004 requires designations by 12/31/04. SIP due dates for PM
2.5 and
regional haze are 3 years from effective date of PM
2.5 designations.
