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

Chapter 4.  Rules of Practice and Procedures (OAC 252:4)

SUBCHAPTER 9.  ADMINISTRATIVE PROCEEDINGS

PART 5.  AIR QUALITY ADVISORY COUNCIL HEARINGS
As approved by EPA April 10, 2020 (85 FR 20178) SIP effective May 11, 2020 (OKd29),
Regulations.gov docket EPA-R06-OAR-2018-0208 [OK029]

Sections:
252:4-9-51.  In general, OKd29
252:4-9-52.  Individual proceedings, OKd29
252:4-9-53.  Variance, OKd06
252:4-9-54.  State implementation plan hearings, OKd06


252:4-9-51.  In general
Approved by EPA April 10, 2020 (85 FR 20178) SIP effective May 11, 2020 (OKd29).
As adopted in the Oklahoma Register May 3, 2004 (21 OkReg 1030) effective June 1, 2004, Submitted to EPA May 16, 2018,
Regulations.gov document EPA-R06-OAR-2018-0208-0005 [OK029.05], Adobe file page 1168.
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. 

252:4-9-51. In general
     The Air Quality Advisory Council is authorized to conduct
individual proceedings on requests for a variance from the 
Oklahoma Clean Air Act, 27A O.S. §§2-5-101 through 2-5-118, or
the Air Pollution Control Rules, OAC 252:100.
***end 252:4–9–51 SIP effective May 11, 2020 (OKd29)***b1a***

252:4-9-52.  Individual proceedings
Approved by EPA April 10, 2020 (85 FR 20178) SIP effective May 11, 2020 (OKd29).
As adopted in the Oklahoma Register May 3, 2004 (21 OkReg 1030) effective June 1, 2004. 
Submitted to EPA May 16, 2018,
Regulations.gov document EPA-R06-OAR-2018-0208-0005 [OK029.05], Adobe file page 1168.
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 

252:4-9-52. Individual proceedings
     Individual proceedings before the Air Quality Advisory
Council will he conducted in accordance with the requirements
in Part 3 of this Subchapter. The Council may designate an
Administrative Law Judge for individual proceedings to he held
before the Council.
***end 252:4–9–52 SIP effective May 11, 2020 (OKd29)***b91***

252:4-9-53.  Variance
Approved by EPA December 29, 2008 (73 FR 79400) SIP effective February 27, 2009 (OKd06).
New Chapter 4 (OAC 252:4) adopted in Oklahoma Register June 1, 2001 (18 OkReg 1922-1944) effective June 11, 2001.
Submitted to EPA February 14, 2002 (OK-25),
Regulations.gov document EPA–R06–OAR–2006–0389-0005 [OK005.05], Adobe file pages 30 to 52.
Approved by EPA December 29, 2008 (73 FR 79400) SIP effective February 27, 2009 (OKd06).
Regulations.gov docket EPA–R06–OAR–2006–0389 [OK005]
Explanation: No explanation.

252:4-9-53. Variance
     It is within the discretion of the Air Quality Advisory Council to decide whether or not an individual proceeding is necessary in granting a variance.
***​end ​252:4-9-53 SIP effective February 27, 2009 (OKd06)***b1a***

252:4-9-54.  State implementation plan hearings
Approved by EPA December 29, 2008 (73 FR 79400) SIP effective February 27, 2009 (OKd06).
New Chapter 4 (OAC 252:4) adopted in Oklahoma Register June 1, 2001 (18 OkReg 1922-1944) effective June 11, 2001.
Submitted to EPA February 14, 2002 (OK-25),
Regulations.gov document EPA–R06–OAR–2006–0389-0005 [OK005.05], Adobe file pages 30 to 52.
Approved by EPA December 29, 2008 (73 FR 79400) SIP effective February 27, 2009 (OKd06).
Regulations.gov docket EPA–R06–OAR–2006–0389 [OK005]
Explanation: NOT in SIP: in the first sentence, the phrase "under 252:100–11" and the last sentence which begins with "Additional requirements for a SIP hearing * * *."

Struck-out text not in SIP.

​252:4-9-54. State implementation plan hearings
     A state implementation plan (SIP) hearing may be initiated by an applicant for an alternative emissions reduction authorization under 252:100-11 by filing a request for a SIP hearing with the Administrative Law Clerk.  A request that the hearing be conducted by the Air Quality Advisory Council must be included in the request for hearing.  Additional requirements for a SIP hearing request are contained in 252:100-11-6.
***​end ​252:4-9-54 SIP effective February 27, 2009 (OKd06)***b1a***

***end OAC 252 Chapter 4, Subchapter 9, Part 5 SIP effective May 11, 2020 (OKd29)***b1a***