Reciprocating Internal Combustion Engine (RICE 4Z) Rule Reciprocating Internal Combustion Engine (RICE 4Z) Rule Robin Barrows Supervisor, Allied Programs Branch Planning Section Division of Air Quality Feb 19, Outside Involvement Committee 1

Key Items / Changes Final Rule: January 30, 2013* Revisions to NSPS IIII and JJJJ for consistency Applies to existing and new engines located at Area and Major Sources Effective date: April 1, 2013 Compliance dates (Area Sources existing): ◦ May 3, 2013 for stationary CI engines (diesel) **majority of sources in NC** ◦ October 19, 2013 for stationary SI engines (gasoline and natural gas) Significant changes: ◦ Emergency engines ◦ Non-emergency engines used for peak shaving *78 FR 6674

Engines – Emergency / Peak Shaving Emergency Engines (Major & Area Sources) ◦ Unlimited operation during emergencies ◦ Otherwise limited to 100 hrs/yr  Prevention of power outage  More than 5% change in voltage  Maintenance and testing Peak Shaving (Area Sources) ◦ Existing emergency engines ◦ 50 hrs/yr (part of 100 hrs) ◦ May 3, 2014 ◦ may be extended w/more strict guidelines – currently under consideration

Outreach NC DAQ Compliance Extension Requests* ◦ Specific to non-emergency CI >300 hp engines subject to emission limits NC DAQ with links to EPA information EPA Free webinars [Feb 28, March 6, 14 & 19] tml tml Upcoming MCIC (NCMA) workshops March 14 & 21, 2013 *Requests cannot be approved after May 3, 2013