Laws & Regulations
-
1994 SO2 Allowance Auction
Learn the results of EPA's 1994 Acid Rain Program sulfur dioxide (SO2) allowance auction results
-
2023 Key Program Dates
Key dates in 2022 for Clean Air Markets programs.
-
Clean Air Markets API Portal
Clean Air Markets Application Programming Interface (API) developer documentation
-
Analysis of the Proposed NSPS for GHG Emissions from New, Modified, and Reconstructed EGUs
Find on this page the files for the Integrated Planning Model runs for EPA's proposed Guidelines for Reducing Electric utility generating unit (EGU) Emissions Nationwide (GREEN)
-
Interstate Transport of Fine Particulate Matter: Revision of Federal Implementation Plan Requirements for Texas
Cross-State Air Pollution Rule S02 Remand Response Rule: Interstate Transport of Fine Particulate Matter: Revision of Federal Implementation Plan Requirements for Texas
-
Availability of Data on Allocations of Cross-State Air Pollution Rule Allowances From New Unit Set-Asides for the 2015 Compliance Year
The Environmental Protection Agency (EPA) provides notice of the availability of preliminary calculations of emission allowance allocations to certain units under the Cross-State Air Pollution Rule (CSAPR).
-
Nitrogen Dioxide (NO2) Primary Standards - Planning Documents from Current Review
Scientific and technical planning documents used to develop the current nitrogen dioxide primary national ambient air quality standard.
-
Review of the National Ambient Air Quality Standards for Oxides of Nitrogen, Final Decision
Review of the Primary National Ambient Air Quality Standards for Oxides of Nitrogen, Final Decision
-
Policy Assessment for the Review of the Primary National Ambient Air Quality Standards for Oxides of Nitrogen
Policy Assessment for the Review of the
Primary National Ambient Air Quality
Standards for Oxides of Nitrogen -
Sources Registered Under the FIP for New and Modified True Minor Oil and Natural Gas Sources in Region 8 Indian Country
The sources on Indian country reservation lands in Region 8 that are registered under the Federal Implementation Plan (FIP) for New and Modified True Minor Oil and Natural Gas Sources.
-
Sources Approved for Coverage under the SQCS General Permit in Region 8
The sources on Indian country reservation lands that the Region 8 has approved for coverage under the General Air Quality Permit for New and Modified Minor Source Stone Quarrying, Crushing, and Screening Facilities in Indian Country (SQCS General Permit).
-
Sources Approved for Coverage under the HMA General Permit in Region 8
The sources on Indian country reservation lands that the Region 8 has approved for coverage under the General Air Quality Permit for New and Modified Minor Source Stone Quarrying, Crushing, and Screening Facilities in Indian Country (SQCS General Permit).
-
Tribal Minor NSR Facility Closure Form in Region 8
This form should be used to notify the EPA Region 8 Federal Minor NSR Permit Program that an existing True Minor NSR or Synthetic Minor NSR Facility has been closed and decommissioned.
-
Tribal Minor NSR Existing Source Registration Form in Region 8
This Tribal Minor NSR application form should be used to register an existing true minor source with the EPA Region 8 Tribal NSR Permitting Program.
-
Tribal Minor NSR Change in Ownership Form in Region 8
This Tribal Minor NSR application form should be used to notify the Region 8 Tribal Minor NSR Program of any changes in ownership of an existing facility.
-
Tribal Minor NSR Facility Location Change Form in Region 8
This form should be used to notify the EPA Region 8 Federal Minor NSR Permit Program that the location of an existing True Minor NSR or Synthetic Minor NSR source has changed.
-
Tribal Minor NSR Permit Amendment Application Form in Region 8
This Tribal Minor NSR application form should be used to request amendments to an existing Tribal NSR permit issued by the EPA Region 8 Tribal NSR Permitting Program.
-
Tribal Minor NSR Facility Contact Information Change Form in Region 8
This form should be used to notify the EPA Region 8 Federal Minor NSR Permit Program that the contact information of an existing True Minor NSR or Synthetic Minor NSR source has changed.
-
Sources Approved for Coverage under the Spark Ignition Engines General Permit in Region 8
The sources on Indian country reservation lands that the Region 8 has approved for coverage under the General Air Quality Permit for New and Modified Minor Source Stationary Spark Ignition Engines in Indian Country (SI Engines General Permit).
-
Tribal Minor NSR New Source General Application Form in Region 8
This Tribal Minor NSR application form should be used to request a minor NSR permit for a new construction project from the EPA Region 8 Tribal NSR Permitting Program.