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Laws & Regulations

Louisiana SIP: LAC 33:III Ch. 5 Section 504. Nonattainment New Source Review Procedures; SIP effective 1997-11-10 (LAc68) and 1999-03-08 (LAd02) to 2001-07-29

Historical Record: Louisiana SIP: LAC 33:III Ch. 5 Section 504. SIP effective 1997-11-10 (LAc68) and 1999-03-08 (LAd02) to 2001-07-29
Louisiana LAC 33:III Ch. 5 Section 504 - Nonattainment New Source Review Procedures, SIP effective as of September 6, 2016 (LAd51)

LA SIP: LAC 33:III Ch. 5 Section 504
Louisiana SIP: LAC 33:III Ch. 5 Section 504. Nonattainment New Source Review Procedures; SIP effective 2001-07-30 (LAd07) to 2002-09-29

Historical Record: Louisiana SIP: LAC 33:III Ch. 5 Section 504. SIP effective 2001-07-30 (LAd07) to 2002-09-29 (LAd14)
State Progress Toward Adopting Numeric Nutrient Water Quality Criteria for Nitrogen and Phosphorus

The progress states are making towards the development of numeric criteria for phosphorus and nitrogen pollution.
Oklahoma OAC 252 Chapter 100. Air Pollution Control, Subchapter 37. Control of Emission of Volatile Organic Compounds (VOCs), Part 5. Control of VOCs in Coating Operations, SIP effective February 27, 2009 (OKd06) and May 25, 2023 (OKd34)

Oklahoma SIP: OAC 252:100-37-25 to 252:100-37-26
Texas SIP: 30 TAC 115.420-115.429: Surface Coating Processes; SIP effective 2009-09-08 (TXd104) to 2015-04-26

Texas SIP: 30 TAC 115.420-115.429: Surface Coating Processes; SIP effective 2009-09-08 (TXd104) to 2015-04-26
Texas SIP: 30 TAC 116.01-116.14: Control of Air Pollution by Permits For New Construction or Modification; SIP effective 11-27-1995 (TXc97)

Texas SIP: 30 TAC 116.01-116.14: Control of Air Pollution by Permits For New Construction or Modification; SIP effective 11-27-1995 (TXc97)
Texas SIP: 30 TAC 116.170. Emission Reductions: Offsets; SIP effective 2000.08.16 TXd08

Texas SIP: 30 TAC 116.170. Emission Reductions: Offsets; SIP effective 2000.08.16 TXd08
Texas SIP: 30 TAC 116.170. Emission Reductions: Offsets; SIP effective 2002.10.18

Texas SIP: 30 TAC 116.170. Emission Reductions: Offsets; SIP effective 2002.10.18
Oklahoma OAC 252 Chapter 100. Air Pollution Control, Subchapter 39. Emissions of Volatile Organic Compounds (VOCs) in Nonattainment Areas and Former Nonattainment Areas, Part 7. Specific Operations, SIP effective as of January 29, 2024 (OKd36)

Oklahoma SIP: OAC 252:100-39-40 to 252:100-39-49
Texas SIP: 30 TAC 16.170-116.176. Emission Reductions: Offsets; SIP effective 2011-12-02 (TXd129)

Texas SIP: 30 TAC 16.170-116.176. Emission Reductions: Offsets; SIP effective 2011-12-02 (TXd129)
Texas SIP: 30 TAC 116.170, 116.172, 116.176. Emission Reductions: Offsets; SIP effective 2009-05-19

Texas SIP: 30 TAC 116.170, 116.172, 116.176. Emission Reductions: Offsets; SIP effective 2009-05-19
Texas SIP: 30 TAC 116.170 , 116.176. Emission Reductions: Offsets; SIP effective October 6, 2006 (TXd79)

Texas SIP: 30 TAC 116.170 , 116.176. Emission Reductions: Offsets; SIP effective 2006-10-06
Texas SIP: 30 TAC 115.420-115.429: Surface Coating Processes; SIP effective 2001.12.31 TXd24 to 2006.03.19

Texas SIP: 30 TAC 115.420-115.429: Surface Coating Processes; SIP effective 2001.12.31 TXd24 to 2006.03.19
Virginia SIP, Source Specific Requirement U.S. Department of War (Pentagon Reservation)

Virginia - Source Specific Requirement
EPA Approved Virginia Source-Specific Requirements

EPA Approved Virginia Source-Specific Requirements
EPA Approved Statutes and Regulations in the Colorado SIP

Current EPA-approved air quality implementation plans (SIPs, FIPs, TIPs) in Colorado
Build America, Buy America (BABA) Waivers Open for Public Comment

Information about the Build America, Buy America Act Waivers and Waiver Process
Build America, Buy America (BABA) Approved Waivers

Approved Build America Buy America Waivers and Awards Prior to Six-Month Adjustment Period Waiver
Draft UIC Class VI Geologic Carbon Sequestration Permit - Carbon Storage Solutions, Front Range 1-1, Weld County, Colorado

Class VI Permit Proposal
- Comments Due Date: April 28, 2026
- Geographic Locations: Colorado, Rocky Mountains

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