# Air Quality: EPA’s 2006 Changes to the Particulate Matter (PM) Standards
> **Long Report (Legacy)** · 2008-04-17 · `RL33254`
## Report
- **CRS ID:** RL33254
- **Series:** Long Report (Legacy)
- **Publication date:** 2008-04-17
## Documents
- [PDF](https://www.everycrsreport.com/files/20080417_RL33254_92bf9d36bfd0da0c62e5783efdca434825591566.pdf)
- [HTML](https://www.everycrsreport.com/files/20080417_RL33254_1d8804f33d75c8e110019b3b3f5cd6ba4706c5c9.html)
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