National Emission Standards for Hazardous Air Pollutants for Reciprocating Internal Combustion Engines
The National Emission Standards for Hazardous Air Pollutants (NESHAP) for Reciprocating Internal Combustion Engines (RICE) are outlined in the Code of Federal Regulations under 40 CFR 63 Subpart ZZZZ.
The following is a timeline of regulatory actions that have formed the current NESHAP for RICE, beginning with the most recent action.
- August 15, 2014 - EPA issued a final decision on reconsideration of the final amendments to the regulations for existing SI RICE
- Notice of Final Decision on Reconsideration - August 15, 2014
- Reconsideration of Final Rule - September 5, 2013
- Fact Sheet: Reconsideration of Final Standards for Stationary Reciprocating Internal Combustion Engines
- Supporting documents and comments for NESHAP for Existing RICE rulemaking
- January 30, 2013 - EPA finalized amendments to the regulations
- Final Rule Amendments - January 30, 2013
- Proposed Rule Amendments - June 7, 2012
- Fact Sheet: Summary of Proposed Changes
- Reopening of Comment Period – October 3, 2012
- Notice of Public Hearing and Extension of Public Comment Period – June 21, 2012
- Supporting documents and comments for NESHAP for Existing RICE rulemaking
- August 20, 2010 - EPA finalized regulations for existing stationary spark ignition (SI) RICE
- Final Rule - August 20, 2010
- Fact Sheet: Final Air Toxics Standards for Reciprocating Internal Combustion Engines
- March 3, 2010 - EPA finalized regulations for existing stationary compression ignition (CI) RICE
- Final Rule - March 3, 2010
- Fact Sheet: Final Air Toxics Standards for Reciprocating Internal Combustion Engines
- Final Rule Correction - June 30, 2010
- Proposed Rule - March 5, 2009
- Supporting documents and comments for NESHAP for Existing RICE rulemaking
- Final Rule - March 3, 2010
- January 24, 2008 -
- January 18, 2008 - EPA finalized regulations for new RICE less than or equal to 500 HP located at major sources and new RICE located at area sources.
- Final Rule - January 18, 2008
- Fact Sheet: Final Emission Standards of Performance for Stationary Spark Ignition Internal Combustion Engines and Final Air Toxics Standards for Reciprocating Internal Combustion Engines
- Proposed Rule - June 12, 2006
- Supporting documents and comments for Standards of Performance rulemaking
- Final Rule - January 18, 2008
- June 15, 2004 - EPA finalized the first regulation for stationary RICE greater than 500 horsepower (HP) located at major sources of HAP.
- Final Rule - June 15, 2004
- Fact Sheet: Final Rule to Reduce Hazardous Air Emissions from Reciprocating Internal Combustion Engines
- Proposed Rule - December 19, 2002
- Fact Sheet: Proposed Rules to Reduce Toxic Air Emissions from Reciprocating Internal Combustion Engines
- Supporting documents and comments for NESHAP for Stationary RICE rulemaking
- Final Rule - June 15, 2004