An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Reg 19, Appendix B: National Ambient Air Quality Standards, SIP effective November 6, 2018 (ARd31) and November 7, 2018 (ARd32)

Arkansas Regulation No. 19, Regulations of the Arkansas Plan of Implementation for Air Pollution Control

APPENDIX  B:  NATIONAL AMBIENT AIR QUALITY STANDARDS
SIP effective November 6, 2018 (ARd31) and November 7, 2018 (ARd32).
As adopted by the Arkansas Pollution Control and Ecology Commission (APC&EC) February 26, 2016, effective March 14, 2016, and submitted to EPA March 24, 2017, Regulations.gov document EPA-R06-OAR-2017-0435-0004 [AR026.04].


SIP effective November 6, 2018 (ARd31)
No Explanation in Federal Register amendatory language.
ARd31 NOTE: EXCEPT for pollutant “Particle Pollution, PM-2.5”, all other pollutants in Appendix B in the March 14, 2016 submittal were approved by EPA August 8, 2016 (83 FR 38964), Regulations.gov documents EPA-R06-OAR-2017-0699-0008 [AR027.08] to EPA-R06-OAR-2017-0699-0012 [AR027.12], SIP effective November 6, 2018 (ARd31).


SIP effective November 7, 2018 (ARd32)
Explanation in Federal Register amendatory language.
The revision to Particle Pollution, PM2.5 was approved on 9/20/2018 (83 FR 47569).
ARd32 NOTE: Revised pollutant “Particle Pollution, PM-2.5” approved by EPA September 20, 2018, Regulations.gov documents EPA-R06-OAR-2017-0435-0023 [AR026.23] to EPA-R06-OAR-2017-0435-0037 [AR026.37], SIP effective November 7, 2018 (ARd32).

**AR Reg 19 App B*ARd32*EPA-R06-OAR-2017-0435 & 0699*AR026 AR027*yy9**
AR Reg 19 App B NAAQS SIP effective November 7 2018 ARd32 yy9

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.