Regulatory Text: 
Oklahoma Administrative Code.  Title 252.  Department of Environmental Quality 

Chapter 100.  Air Pollution Control

APPENDIX F. SECONDARY AMBIENT AIR QUALITY STANDARDS, SIP effective January 4, 2016 (OKd15) to September 2, 2019
As adopted in the Oklahoma Register May 17, 2010 (27 Ok Reg 1169) effective 
July 1, 2010 and submitted to EPA December 27, 2010 (OK-40),
Regulations.gov document EPA-R06-OAR-2011-0034-0006 [OK017.06].
Approved by EPA November 3, 2015 (80 FR 67647) effective January 4, 2016 (OKd15),
Regulations.gov docket EPA-R06-OAR-2011-0034 [OK017].

(Appendix F is cited in 252:100-3-3.)
 

Time Period	Sulfur Dioxide	(6)PM-10	PM-2.5	(6)Carbon Monoxide	Ozone	Nitrogen Dioxide	Lead
1-hr. max
3-hr. max	1300 ug/m3 (2)0.5 ppm
8-hr. max					(4)0.075 ppm
24-hr. max
Rolling 3-month average							(3)0.15 ug/m3
Annual			(5)15 ug/m3			100 ug/m3 (1)0.053 ppm

(1) Annual arithmetic mean
(2) Not to be exceeded more than once per year
(3) Not to be exceeded more than once during a 3-year period as provided 
    in 40 CFR 50, Appendix R.
(4) The standard is attained when the computed 3-year average of the 
    annual 4th-highest daily maximum 8-hour average does not exceed 0.075 ppm,
    as provided in 40 CFR 50.15.
(5) The standard is attained when the annual arithmetic mean is equal to or 
    less than the numerical standard as determined by 40 CFR 50, Appendix N.
(6) PM-10 and carbon monoxide have no secondary standard.