# Air Quality: EPA’s 2012 Proposed Changes to the Particulate Matter (PM) Standard
> **Full Report** · 2012-11-19 · `R42671`
## Report
- **CRS ID:** R42671
- **Series:** Full Report
- **Publication date:** 2012-11-19
## Documents
- [PDF](https://www.everycrsreport.com/files/20121119_R42671_53cce28937a21730e69264eddcbeb1bd71d29749.pdf)
- [HTML](https://www.everycrsreport.com/files/20121119_R42671_63ecb518eddb2dc8b44f5bd2386830626b2c7ec5.html)
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