Laws & Regulations

New and Revised Frequent Questions About

Learn about monitoring mass sulfur dioxide and mass carbon dioxide emissions, nitrogen oxide emission rate, and heat input by units affected by the Acid Rain Program and the Clean Air Interstate Rule.

Renewable Fuel Standard Program (RFS1): Final Rule Additional Resources

The final rule of fuels and fuel additives: renewable fuel standard program is published on May 1, 2007 and is effective on September 1, 2007. You will find the links to this final rule and technical amendments supporting this rule.

EPA Releases the First Ever National Wetland Condition Assessment

Flyer, presentation, and additional resources for the Thursday, June 16th, 2016 webcast

HFC Reclaim and Innovative Destruction Grants

HFC Reclamation and Innovative Destruction Grants - information and notice of funding opportunity

Background on Federal Indian Country Minor New Source Review

Tribal NSR Information

Renewable Fuel Standard (RFS2): Final Rule Additional Resources

The final rule of fuels and fuel additives: renewable fuel standard program is published on March 26, 2010 and is effective on July 1, 2010. You will find the links to this final rule and technical amendments supporting this rule.

Where is the Safe Management of Recalled Airbags Rule in Effect?

This page provides a map that shows the states that have become authorized for the safe management of recalled airbags in order to protect human health.

Where are the Management Standards for Hazardous Waste Pharmaceuticals and Amendment to the P075 Listing for Nicotine in Effect?

This page provides a map that shows the states that have become authorized for the pharmaceutical waste final rule, one that shows those that have picked up the amendment to the P075 listing for nicotine and links to state-specific regulations.

Advance Notice of Proposed Rulemaking for Minor Source Permitting in Indian Country, May 22, 2014

6 Source Categories - Sawmill Facilities (Final Action)

EPA is proposing options to simplify the Clean Air Act permitting process for certain smaller sources of air pollution commonly found in Indian country.

6 Source Categories - Concrete Batch Plants (Proposed Action)

EPA is proposing options to simplify the Clean Air Act permitting process for certain smaller sources of air pollution commonly found in Indian country.

Frequent Questions about the Delisting Risk Assessment Software (DRAS)

Frequent technical questions such "Surface Impoundment Requires Corrections", "How Do I Assess Toxicity Characteristic Leaching Procedure (TCLP) or Leachability in a Liquid Waste Sample?", "Aggregate Hazard Index and Cancer Risk Output Table Correction".

Approved Pathways for Renewable Fuel

Approved pathways for the Renewable Fuel Standard Program, including feedstocks, D-codes, production processes, and approval letters for pathway petitions.

Proposed Administrative Order issued to PE-Osage, LLC for Safe Drinking Water Act Violations

EPA is authorized to issue enforcement actions proposing civil penalties and corrective actions for compliance for various violations of the Safe Drinking Water Act (SDWA). Well Number: W-41
EPA Inventory ID: OS2148000 Docket Number: SDWA-06-2025-1108

Comments Due Date: June 6, 2025
Geographic Locations: Oklahoma

Acetal Resins, Acrylic & Modacrylic Fibers, Carbon Black, Hydrogen Fluoride, Polycarbonate, Ethylene, Spandex & Cyanide Chemical Manufacturing: NESHAP for Source Categories, Generic Maximum Achievable Control Technology Standards (40 CFR 63, Subpart YY)

NESHAP for GMACT for acetal resins, hydrogen fluoride, polycarbonate, ethylene production and cyanide chemicals. Find the rule history information, federal register citations, legal authority, rule summary, and additional resources