Regulated Community

Learn About Lead

This page provides basic information on lead including what it is, where it is found, how one can be exposed, and the health effects associated with lead.

Final Rule for Model Year 2012 - 2016 Light-Duty Vehicle Greenhouse Gas Emission Standards and Corporate Average Fuel Economy Standards

Includes links to Federal Register notice, proposed rule, fact sheet, technical support document and compliance information.

Proposed Rule and Related Materials for Model Year 2012 - 2016 Light-Duty Vehicle Greenhouse Gas Emission Standards and Corporate Average Fuel Economy Standards

Includes rule summary, fact sheets, draft regulatory impact analysis, final rule and technical support document.

Final Rule for Model Year 2017 and Later Light-Duty Vehicle Greenhouse Gas Emissions and Corporate Average Fuel Economy Standards

Includes links to Federal Register notice, Regulatory Impact Analysis, summary and analysis of comments, proposed rule, fact sheets, and Joint Technical Support Document.

Proposed Rule and Related Materials for 2017 and Later Model Year Light-Duty Vehicle Greenhouse Gas Emissions and Corporate Average Fuel Economy Standards

Includes links to Federal Register notice, fact sheets, draft regulatory impact statement, technical support document.

Final Rule for Control of Emissions From New Marine Compression-Ignition Engines at or Above 2.5 Liters Per Cylinder

The near-term, Tier 1 standards in this rule are equivalent to the internationally negotiated emission limits for oxides of nitrogen (NOx). These standards will go into effect in 2004 and are based on readily available emission-control technology.

Direct Final Rule for Great Lakes Steamship Repower Incentive Program

Direct Final Rule to add a provision to our marine diesel engine program to encourage owners of Great Lakes steamships to repower those steamships with cleaner Tier 2 or later marine diesel engines.

Proposed Rule and Related Materials for Control of Emissions From New Marine Compression-Ignition Engines at or Above 2.5 Liters Per Cylinder

Includes links to Federal Register notice, fact sheets and draft regulatory support document

Designation of the North American Emission Control Area for Marine Vessels

Materials related to MARPOL Annex VI Marine Emission Control Area in North America

Final Rule for Control of Hazardous Air Pollutants From Mobile Sources: Early Credit Technology Requirement Revision

EPA is taking final action to revise the February 26, 2007 mobile source air toxics rule’s requirements that specify which benzene control technologies a refiner may utilize to qualify to generate early benzene credits.

Tarps Approved for Use with Dimethyl Disulfide (DMDS) Products

Only the tarps listed here are acceptable for use with these soil fumigant pesticide products, as indicated on DMDS labels. Acceptance is based on EPA's review of testing these agricultural films for permeability to the active ingredient DMDS.

Tarps

Soil fumigant applications can qualify for buffer zone reduction credits if applicators use tarps that are highly impermeable to pesticide chemicals. There are special tarp requirements for the active ingredient dimethyl disulfide (DMDS).

Proposed Rule and Related Materials for Heavy-Duty Highway Program: Revisions for Emergency Vehicles and SCR Maintenance

May 23, 2012, Notice of Proposed Rulemaking with revisions related to emissions controls on diesel-powered emergency vehicles and revisions related to scheduled maintenance intervals for diesel engines and vehicles using Selective Catalytic Reduction (SCR)

Proposed Rule and Related Materials for Clean Alternative Fuel Vehicle and Engine Conversions

Following is information for the proposed rule for Clean Alternative Fuel Vehicle and Engine Conversions.

Final Rule for Control of Air Pollution From Motor Vehicles and New Motor Vehicle Engines; Modification of Federal Onboard Diagnostic Regulations for Light-Duty Vehicles and Light-Duty Trucks; Extension of Acceptance of California OBD

This action finalizes modifications to the federal on-board diagnostics regulations, including: harmonizing the emission levels above which a component or system is considered malfunctioning with those of the California Air Resources Board (CARB).

Final Rule for Control of Air Pollution; Emission Standards for New Nonroad Spark-Ignition Engines At or Below 19 Kilowatts

This action establishes Phase 1 standards for new nonroad spark-ignition (SI) engines at or below 19 kilowatts (25 horsepower). These engines are used principally in lawn and garden equipment.

Proposed Rule and Response to Comment for Control of Air Pollution; Emission Standards for New Nonroad Spark-Ignition Engines At or Below 19 Kilowatts

Link to the Federal Register notice of the proposed rule, final rue and response to comments.

Final Rule for Control of Air Pollution From New Motor Vehicles and New Motor Vehicle Engines; Regulations Requiring Onboard Diagnostic Systems on 2010 and Later Heavy-Duty Engines Used in Highway Applications Over 14,000 Pounds

Includes rule summary, rule history, links to Federal Register notices, summary and analysis of comments and fact sheets.

Proposed Rule and Related Materials for Control of Emissions of Air Pollution From Locomotive Engines and Marine Compression-Ignition Engines Less Than 30 Liters per Cylinder

Includes links to Federal Register notice, advance notice of rule making, fact sheets, draft regulatory impact analysis, and final rule.

Final Rule for Control of Emissions of Air Pollution From New Marine Compression Ignition Engines at or Above 37 kW

The Tier 2 program is part of a comprehensive approach to reducing the impacts of motor vehicles on air quality and public health.