Laws & Regulations

Nitrogen Dioxide Designations - Oklahoma State Recommendation and EPA Response

2010 Nitrogen dioxide (NO2) standards. Oklahoma state recommendation and EPA response.

Nitrogen Dioxide Designations - Pennsylvania State Recommendation and EPA Response

2010 Nitrogen dioxide (NO2) standards. Pennsylvania state recommendation and EPA response.

Nitrogen Dioxide Designations - Maine State Recommendation and EPA Response

2010 Nitrogen dioxide (NO2) standards. Maine state recommendation and EPA response.

Lead Designations - West Virginia State Recommendations and EPA Responses

Lead Designations - 2008 Standards.West Virginia State Recommendations and EPA Responses, Round 1 and 2

Nitrogen Dioxide Designations - Montana State Recommendation and EPA Response

2010 Nitrogen dioxide (NO2) standards. Montana state recommendation and EPA response.

Nitrogen Dioxide Designations - New Hampshire State Recommendation and EPA Response

2010 Nitrogen dioxide (NO2) standards. New Hampshire state recommendation and EPA response.

Nitrogen Dioxide Designations - Connecticut State Recommendation and EPA Response

2010 Nitrogen dioxide (NO2) standards. Connecticut state recommendation and EPA response.

Flow Charts for Determining Your Requirements: Nine Metal Fabrication and Finishing Source Categories Area Sources National Emission Standards for Hazardous Air Pollutants (NESHAP) Subpart XXXXXX

This page contains a July 2008 document that has flow charts to help determine if this National Emission Standards for Hazardous Air Pollutants (NESHAP) rule for Nine metal Fabrication and Finishing Area Source Categories applies to your facility.

Nitrogen Dioxide Designations - Massachusetts State Recommendation and EPA Response

2010 Nitrogen dioxide (NO2) standards. Massachusetts state recommendation and EPA response.

Final Air Toxics Standards for Clay Ceramics Manufacturing, Glass Manufacturing, and Secondary Nonferrous Metals Processing Area Sources Fact Sheet

This page contains a December 2007 fact sheet with information regarding the National Emissions Standards for Hazardous Air Pollutants (NESHAP) for Clay Ceramics Manufacturing, Glass Manufacturing, and Secondary Nonferrous Metals Processing Area Sources

Fact Sheet: Revised CAA Section 111(d) Implementing Regulations

This page includes a fact sheet on the Revised Clean Air Act Section 111(d) Implementing Regulations

Ozone (O3) Air Quality Standards - Documents from Review Completed in 2020 (including documents related to reconsideration)

The Clean Air Act requires EPA to set national ambient air quality standards (NAAQS) for six pollutants considered harmful to public health and the environment

Oldcastle Materials Midwest, Inc. d/b/a Omni Engineering - Clean Water Act Public Notice

The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement (“ESA”) against Oldcastle Materials Midwest, Inc. d/b/a Omni Engineering for alleged violations at the Omaha, Nebraska facility

2024 Cummins Inc. Vehicle Emission Control Violations Settlement

The U.S. Environmental Protection Agency and the Department of Justice, with the state of California, reached a settlement agreement with Cummins, Inc. for vehicle emission control violations under the Clean Air Act that includes a $1.675 civil penalty.