Regulatory Text:
Oklahoma Administrative Code.  Title 252.  Department of Environmental Quality
Chapter 100.  Air Pollution Control (OAC 252:100)

SUBCHAPTER 2.  INCORPORATION BY REFERENCE
As approved by EPA April 10, 2020 (85 FR 20178) SIP effective May 11, 2020 (OKd29)
Regulations.gov document EPA-R06-OAR-2018-0208-0012 [OK029.12]

Outline:
252:100-2-1.   Purpose, OKd18
252:100-2-3.   Incorporation by Reference, OKd29

252:100-2-1.  Purpose.
As approved by EPA September 28, 2016 (81 FR 66532) SIP effective October 28, 2016 (OKd18).
As adopted in the Oklahoma Register May 15, 2012 (29 Ok Reg 589) effective July 1, 2012,
Submitted to EPA January 18, 2013 (OK-46),
Regulations.gov document EPA-R06-OAR-2014-0221-0009 [OK023.09].
Approved by EPA September 28, 2016 (81 FR 66532) effective October 28, 2016 (OKd18),
Regulations.gov document EPA-R06-OAR-2014-0221-0014 [OK023.14],
Explanation:  No explanation. 

252:100-2-1.  Purpose.
     The purpose of this Subchapter is to incorporate by reference applicable 
provisions of Title 40 of the Code of Federal Regulations (40 CFR).
***end 252:100-2-1 SIP effective October 28, 2016 (OKd18)***x84***

252:100-2-3.  Incorporation by reference.
Approved by EPA April 10, 2020 (85 FR 20178) SIP effective May 11, 2020 (OKd29).
As adopted in the Oklahoma Register September 4, 2018 (35 OkReg 1260) 
effective September 15, 2018. Submitted to EPA December 19, 2018,
Regulations.gov document EPA-R06-OAR-2018-0208-0006 [OK029.06], Adobe file pages 76-77.
Approved by EPA April 10, 2020 (85 FR 20178) SIP effective May 11, 2020 (OKd29),
Regulations.gov docket EPA-R06-OAR-2018-0208 [OK029]
Explanation:  No explanation.

252:100-2-3. Incorporation by reference.
     Except as provided under this section, the provisions of 
40 CFR listed in Appendix Q are hereby incorporated by reference
as they existed on June 30, 2017.
     (1) Inclusion of 40 CFR citations and definitions.
When a provision of 40 CFR is incorporated by reference,
all citations contained therein are also incorporated by
reference.
     (2) Inconsistencies or duplications of requirements
or incorporation dates.
          (A) In the event that there are inconsistencies
or duplications between the requirements of this Chapter
and the requirements of those provisions incorporated
by reference in Appendix Q or elsewhere in this
Chapter, the more stringent requirements shall apply.
          (B) In the event that a specific date of
incorporation is indicated in Appendix Q or a subchapter of
this Chapter, the specified date of incorporation shall apply.
     (3) Terminology related to 40 CFR. For purposes of
interfacing with 40 CFR and unless the context clearly
indicates otherwise, the following terms apply.
          (A) "Administrator" is synonymous with "Executive
Director."
          (B) "U. S. Environmental Protection Agency" or
"EPA" is synonymous with "Department of Environmental
Quality" or "DEQ."
***end 252:100-2-3 SIP effective May 11, 2020 (OKd29)***ayv***

**end OK Chap 100, Subchapapter 2,  Incorporation by reference, SIP effective May 11, 2020 (OKd29)**