Laws & Regulations

Part 75 Emissions Monitoring Technical Questions and Answers

Provides clarification on the requirements of 40 CFR Part 75 through a series of questions and answers that can be used by units to monitor mass sulfur dioxide emissions, mass carbon dioxide emissions, nitrogen oxide rate and heat input.

Administrative Record Index for SMA 4 - Former Chemical Plant and SMA 5 - Former Pig Iron Foundry

The Administrative Record Index lists the documents, data and other technical information that the EPA - Region 4 considered in preparing the Statement of Basis for the Former Chemical Plant and the Former Pig Iron Foundry at ERP Compliant Coke.

Bulletins Live! Two (BLT): Tutorial

This tutorial explains the steps to use the Bulletins Live! Two application, including a section with additional information.

Criteria for the Definition of Solid Waste and Solid and Hazardous Waste Exclusions

Information about wastes specifically excluded from RCRA

Part 75 Policy and Technical Resources

Part 75 policy overview and resources

Proposed National Priorities List (NPL) Sites - by State

Provides maps and information about sites proposed to the NPL by state, region, and site.

Domestic Septage Regulatory Guidance: A Guide to the EPA 503 Rule

Agricultural Land, Forests, and Reclamation Sites; Discussed in Relationship to Existing State Rules and Other Federal Regulations of Septage

Fact Sheet on Revisions to the Clean Air Act Section 110 Submission Requirements for State Implementation Plans and Notice of Availability of an Option for Electronic Reporting

On February 3, 2015, the U.S. Environmental Protection Agency notified state, local and tribal air agencies that they have the option to submit state implementation plans (SIPs) using the EPA’s new electronic web-based SIP (eSIP) submission system.

Chemical Recovery Combustion Sources at U.S. Sulfite Pulp Mills

This 1998 report summarizes information collected under EPA work assignment No. III-98 for chemical recovery combustion equipment at U.S. sulfite pulp mills that produce chemical pulp.

Implementation of the Revoked 1997 8-Hour Ozone National Ambient Air Quality Standards; Updating Federal Regulations to Show Areas that Attained by the Attainment Date

Documents: Notices of Intent to Sue (2014)

View notices of intent to sue the U.S. Environmental Protection Agency in 2014.

Notices of Intent to Sue the U.S. Environmental Protection Agency Documents 2021

Notices of Intent to Sue the U.S. Environmental Protection Agency (EPA)

LAC Minerals - NPDES Permit No. NM0028711

City of Bloomfield - NPDES Permit No. NM0020770

City of Las Vegas WWTP - NPDES Permit No. NM0028827

City of Ruidoso Downs and Village of Ruidoso WWTP - NPDES Permit No. NM0029165

Coushatta Casino Resort WWTP - NPDES Permit No. LA0124656

Coushatta Casino Resort WWTP - Final NPDES Permit No. LA0124656

Final Amendments to Air Toxics Standards for the Pulp and Paper Chemical Recovery Combustion Sources: Fact Sheet

Fact Sheet for Final Amendments to Air Toxics Standards for the Pulp and Paper Chemical Recovery Combustion Sources

National Emission Standards for Hazardous Air Pollutants (NESHAP) for Major Sources: Industrial, Commercial, and Institutional Boilers - Guidance for Calculating Emission Credits Resulting from Implementation of Energy Conservation Measures

The purpose of this July 2012 document is to provide guidance for developing a consistent approach to documenting efficiency credits generated from energy conservation measures in the Implementation Plan for boilers covered by the Boiler MACT rule.

Operation: Disrupt HFCs

A summary of criminal enforcement activities related to the HFC reduction initiative