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118.01.18 App. B. National Ambient Air Quality Standards List

AR ADC 118.01.18 App. BArkansas Administrative CodeEffective: December 25, 2021

West's Arkansas Administrative Code
Title 118. Department of Energy and Environment
Division 01. Arkansas Pollution Control and Ecology Commission
Rule 18. Rule NO. 18: Arkansas Air Pollution Control Code
Effective: December 25, 2021
Ark. Admin. Code 118.01.18 App. B
Formerly cited as AR ADC 014.01.5 Appendix B
118.01.18 App. B. National Ambient Air Quality Standards List
Currentness
APPENDIX B. NATIONAL AMBIENT AIR QUALITY STANDARDS LIST
The National Ambient Air Quality Standards are listed in the table below.
Pollutant
Final Rule Cite
Final Rule Date
Primary / Secondary
Averaging Time
Level
Form
Applicable Chapters
Carbon Monoxide
76 FR 54294
August 31, 2011
Primary
8-hour
9 ppm
Not to be exceeded more than once per year
All Chapters
1-hour
35 ppm
All Chapters
Lead
73 FR 66964
November 12, 2008
Primary and secondary
Rolling 3 month average
0.15 μg/m3
Not to be exceeded
All Chapters
Nitrogen Dioxide
75 FR 6474
February 9, 2010
Primary
1-hour
100 ppb
98th percentile, averaged over 3 years
All Chapters
61 FR 52852
October 8, 1996
Primary and secondary
Annual
53 ppb
Annual Mean
All Chapters
Ozone
73 FR 16436
March 27, 2008
Primary and secondary
8-hour
0.075 ppm
Annual fourth-highest daily maximum 8-hr concentration, averaged over 3 years
All Chapters
Particle Pollution, PM2.5
78 FR 3085
January 15, 2013
Primary
Annual
12 μg/m3
Annual mean, averaged over 3 years
All Chapters
71 FR 61144
October 17, 2006
Secondary
Annual
15 μg/m3
Primary and secondary
24-hour
35 μg/m3
98th percentile, averaged over 3 years
All Chapters
Particle Pollution, PM10
71 FR 61144
October 17, 2006
Primary and secondary
24-hour
150 μg/m3
Not to be exceeded more than once per year on average over 3 years
All Chapters
Sulfur Dioxide
75 FR 35520
June 22, 2010
Primary
1-hour
75 ppb
99th percentile of 1-hour daily maximum concentrations, averaged over 3 years
All Chapters
38 FR 25678
September 14, 1973
Secondary
3-hour
0.5 ppm
Not to be exceeded more than once per year
All Chapters

Credits

Adopted March 14, 2016. Amended Dec. 25, 2021.
Current with amendments received through February 15, 2024. Some sections may be more current, see credit for details.
Ark. Admin. Code 118.01.18 App. B, AR ADC 118.01.18 App. B
End of Document