Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

JavaScript appears to be disabled on this computer. Please click here to see any active alerts.

Laws & Regulations

Oklahoma SIP: OK 252:100- 5. Registration, Emission Inventory and Annual Operating Fees; SIP effective October 28, 2016 (OKd18) to June 13, 2017

Oklahoma SIP: OK 252:100- 5. Registration, Emission Inventory and Annual Operating Fees; SIP effective 2016-10-28 (OKd18) to 2017-06-13
Louisiana LAC 33:III Ch. 6 Section 619 - Emission Reduction Credit Bank, SIP effective September 6, 2016 (LAd51)

Louisiana SIP: LAC 33:III Ch. 6 Section 619
Oklahoma OAC 252 Chapter 4. Rules of Practice and Procedure, Subchapter 9. Administrative Proceedings, Part 5. Air Quality Advisory Council Hearings, SIP effective February 27, 2009 (OKd06) to May 10, 2020

Oklahoma SIP: OAC 252:4-9-51 to 252:4-9-54
Oklahoma Regulation 1.4.1 General Permit Requirements, SIP effective December 26, 2010 (OKd07) to June 13, 2017 (OKd21) -- for Minor sources only

Oklahoma SIP: OK Regulation 1.4.1 General Permit Requirements
Oklahoma OAC 252 Chapter 4. Rules of Practice and Procedure, Subchapter 7. Environmental Permit Process, Part 3. Air Quality Division Tiers and Time Lines, SIP effective May 11, 2020 (OKd29)

Oklahoma SIP: OK 252:4-7. Environmental Permit Process; SIP effective 2017-06-14 (OKd21)
Oklahoma Regulation 1.4.5, Major Sources -- Nonattainment Areas, SIP effective April 15, 1991 (OKc38) to December 26, 2010 -- NOT in SIP effective December 27, 2010 (OKd07)

Oklahoma SIP: OK Regulation 1.4.1 General Permit Requirements
Oklahoma Regulation 1.4.1 General Permit Requirements, SIP effective September 23, 1991 (OKc41) to December 26, 2010 (OKd07)

Oklahoma SIP: OK Regulation 1.4.1 General Permit Requirements
Oklahoma OAC 252 Chapter 100. Air Pollution Control, Subchapter 8. Permits for Part 70 Sources, Part 7. Prevention of Significant Deterioration (PSD) Requirements for Attainment Areas, SIP effective October 28, 2016 (OKd18) to May 10, 2020

Oklahoma SIP: OAC 252:100-8-30 to 252:100-8-37
Oklahoma Regulation 1.4.1 General Permit Requirements, SIP effective June 14, 2017 (OKd21) -- Applicable to minor NSR permitting under OAC 252:100-8 only.

Oklahoma SIP: OK Regulation 1.4.1 General Permit Requirements
Oklahoma Regulation 1.4.2 Construction Permit, SIP effective June 14, 2017 (OKd21) -- Applicable to minor NSR permitting under OAC 252:100-8 only.

Oklahoma SIP: OK Regulation 1.4.1 General Permit Requirements
Oklahoma SIP Approved Statutes as of May 11, 2020 (OKd29)

EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Oklahoma SIP
Oklahoma OAC 252:100, Appendix E. Primary Ambient Air Quality Standards, SIP effective September 3, 2019 (OKd27)

Oklahoma SIP: OAC 252:100 Appendix E
Oklahoma Regulation 1.4.3 Operating Permit, SIP effective to December 26, 2010 (OKd07) to June 13, 2017 (d21) for Minor sources only -- NOT in SIP effective June 14, 2017 (OKd21)

Oklahoma SIP: OK Regulation 1.4.1 General Permit Requirements
Oklahoma OAC 252 Chapter 100. Air Pollution Control, Subchapter 5. Registration, Emission Inventory and Annual Operating Fees, SIP effective June 14, 2017 (OKd21) to September 30, 2018

Oklahoma SIP: OAC 252:100-5-1 to 252:100-5-3
Delegation of Authority in Iowa for New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants

Information on the delegation of NSPS and NESHAP standards, including MACT standards, to Iowa.
Oklahoma Regulation 1.4.2 Construction Permit, SIP effective December 27, 2010 (OKd07) to June 13, 2017 (OKd21) -- for Minor sources only

Oklahoma SIP: OK Regulation 1.4.1 General Permit Requirements
Addition of Hexabromocyclododecane (HBCD) Category to TRI List Final Rule

Explanation of a proposed rule to add flame retardant HBCD to the TRI list of reportable chemicals.
Oklahoma Regulation 1.4.2 Construction Permit, SIP effective September 23, 1991 (OKc41) to December 26, 2010 (OKd07)

Oklahoma SIP: OK Regulation 1.4.1 General Permit Requirements
Oklahoma Regulation 1.4.4, Major Sources -- Prevention of Significant Deterioration (PSD) Requirements for Attainment Areas, SIP effective January 7, 2000 (OKc49) to December 26, 2010 -- NOT in SIP effective December 27, 2010 (OKd07)

Oklahoma SIP: OK Regulation 1.4.1 General Permit Requirements
Tribal Emergency Procedure Plan for Small Drinking Water Systems

Emergency response planning template for Tribal ground water systems

Subscribe to the RSS feed for this search