Laws & Regulations

Final Rule on Ozone Transport Commission; Low Emission Vehicle Program for the Northeast Ozone Transport Region

EPA is announcing its final determination that reduction of new motor vehicle emissions throughout the Northeast Ozone Transport Region (OTR) is necessary to mitigate the effects of air pollution transport.

Proposed Rule and Related Materials for Control of Air Pollution: Minor Amendments to Emission Requirements Applicable to Small Nonroad Spark-Ignition Engines and Marine Spark Ignition Engines

Final Rule for Phase 2 Emission Standards for New Nonroad Spark-Ignition Handheld Engines At or Below 19 Kilowatts and Minor Amendments to Emission Requirements Applicable to Small Spark-Ignition Engines and Marine Spark-Ignition Engines

Rule summary, rule history, CFR citations and additional resources concerning emissions standards for engines principally used in handheld lawn and garden equipment such as trimmers, leaf blowers, and chainsaws.

WIPP Pecos Management Reports

These reviews and evaluations compiled by Pecos Management Services, Inc. encompass the current and future WIPP activities in the program areas of TRU waste characterization, transportation, and disposal.

Proposed Rule for Modification of Federal On Board Diagnostic Regulations for: Light Duty Vehicles, Light Duty Trucks, Medium Duty Passenger Vehicles, Complete Heavy Duty Vehicles and Engines Intended for Use in Heavy Duty Vehicles Weighing 14,000 Pounds

This page is information for the proposed rule for the Modification of Federal On Board Diagnostic Regulations for Light-Duty Vehicles, Light-Duty Trucks, etc. Includes links to Federal Register and final rule.

Final Rule for Modification of Federal Onboard Diagnostic Regulations for: LD Vehicles, LD Trucks, MD Passenger Vehicles, Complete HD Vehicles and Engines Intended for Use in HD Vehicles Weighing 14,000 Pounds GVWR or Less

EPA is finalizing certain requirements associated with the Federal on-board diagnostic (OBD) system regulations.

Final Rule for Nonconformance Penalties for On-Highway Heavy-Duty Diesel Engines

EPA is taking final action to establish nonconformance penalties (NCPs) for manufacturers of heavy heavy-duty diesel engines (HHDDE) in model years 2012 and later for emissions of oxides of nitrogen (NOX) because we have found the criteria for NCPs.

Final Rule for Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles

EPA and National Highway Traffic Safety
Administration (NHTSA) are each finalizing rules to establish a comprehensive Heavy-Duty National Program that will reduce greenhouse gas emissions and fuel consumption for onroad heavy-duty vehicles.

Reclassification of Major Sources as Area Sources Under Section 112 of the Clean Air Act

This document is part of the Title V Policy and Guidance Database

Order Responding to 2015 Petition to Object to Tennessee Valley Authority Bull Run Operating Permit

This document is part of the Title V Petition Database.

2016 Petition Requesting the Administrator Object to Title V Permit for AK Steel Dearborn Works

This document is part of the Title V Petition Database.

2013 Petition Requesting the Administrator Object to Title V Permit for Appleton Coated, LLC Plant

This document is part of the Title V Petition Database.

Permit Documents for the Braintree Electric Light Department (BELD), Braintree, MA (Thomas A. Watson Generating Station PSD Permit)

Laws & Regulations

Final Rule on Ozone Transport Commission; Low Emission Vehicle Program for the Northeast Ozone Transport Region

Proposed Rule and Related Materials for Control of Air Pollution: Minor Amendments to Emission Requirements Applicable to Small Nonroad Spark-Ignition Engines and Marine Spark Ignition Engines

Final Rule for Phase 2 Emission Standards for New Nonroad Spark-Ignition Handheld Engines At or Below 19 Kilowatts and Minor Amendments to Emission Requirements Applicable to Small Spark-Ignition Engines and Marine Spark-Ignition Engines

WIPP Pecos Management Reports

Proposed Rule for Modification of Federal On Board Diagnostic Regulations for: Light Duty Vehicles, Light Duty Trucks, Medium Duty Passenger Vehicles, Complete Heavy Duty Vehicles and Engines Intended for Use in Heavy Duty Vehicles Weighing 14,000 Pounds

Final Rule for Modification of Federal Onboard Diagnostic Regulations for: LD Vehicles, LD Trucks, MD Passenger Vehicles, Complete HD Vehicles and Engines Intended for Use in HD Vehicles Weighing 14,000 Pounds GVWR or Less

Final Rule for Nonconformance Penalties for On-Highway Heavy-Duty Diesel Engines

Final Rule for Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles

Reclassification of Major Sources as Area Sources Under Section 112 of the Clean Air Act

Order Responding to 2015 Petition to Object to Tennessee Valley Authority Bull Run Operating Permit

2016 Petition Requesting the Administrator Object to Title V Permit for AK Steel Dearborn Works

2013 Petition Requesting the Administrator Object to Title V Permit for Appleton Coated, LLC Plant

Permit Documents for the Braintree Electric Light Department (BELD), Braintree, MA (Thomas A. Watson Generating Station PSD Permit)

Performance Specification 7 for Hydrogen Sulfide

Withdrawal of the Approval of Broadly Applicable Alternate Test Methods ALT-125 and ALT-127

How to Participate: Testing the Hazardous Waste Electronic Manifest System (e-Manifest)

Nationwide Enviro Jet PCB Decontamination Approval and Notifications

PCB Disaster Waste Cleanup Guidance for Omaha (Elkhorn/Bennington) Tornadoes

Efficacy Testing for Pesticides Targeting Certain Invertebrate Pests

Endangered Species – 2014 Court Order in Northwest Center for Alternatives to Pesticides v. EPA