Focus Page
"The purpose of the exceptional events rule is to ensure that regulatory decisions under the Clean Air Act are not biased by monitored air quality data over which a state has little or no control."
EPA September 2016 Final Rule and Guidance
EPA 11/10/2015 Proposed Rule Revisions and Wildfire Guidance
- Proposed rule revision including preamble (11/20/2015)
- Proposed rule revision text only
- Exceptional Events Guidance - Ozone from Wildfires
- Fact Sheet
- EPA's exceptional events webpage
- Statutory language (SAFETEA-LU Sec 6013)
- Treatment of Data Influenced by Exceptional Events; Final Rule (3/22/2007)
- Exceptional events guidance memo from Steve Page (5/10/2013)
- Link to EPA webpage with links to final documents (May 2013)
-
Final Exceptional Events Rule FAQ - underline/strikeout
version (5/10/2013)
- May 2011 draft Exceptional Events Rule FAQ
- Final high wind EER guidance - underline/strikeout version (5/10/2013)
-
Fact sheet on final high wind EER guidance documents (5/13/2013)
- Overview of draft guidance documents (May 2011)
- Harnett memo - May 2009 memo on EER applied to PM10 limited maintenance plan option
- O3 data flagging - 5/19/09 final rule revising dates for flagging 8-hour ozone data
- EPA qualifier codes for air quality data
- Natural Events Policy (May 1996)
- Interim Policy on Wildland and Prescribed Fires
- Federal Clean Air Act (link to EPA site)
- WESTAR comments on Exceptional Events
- WESTAR 2016 comments on proposed revisions to EER and Guidance-January 29, 2016
- WESTAR testimony at December 8, 2015 public hearing
- WESTAR 2011 comments on EPA exceptional events implementation draft guidance - June 2011
- WESTAR 2010 follow up letter on 9/11/09 recommendations - July 6, 2010
- WESTAR 2009 recommendations for improving implementation on the EER - September 11,2009
- WESTAR recommendations to EPA on pending update to Wildland Fire Policy - December 2007
- WESTAR comments on EPA's Exceptional Events proposal - May 25, 2006
- WESTAR public hearing testimony on EPA's Exceptional Events proposal - April 25, 2006
- State and local comments on 2011 Draft guidance:
- Ozone and Wildfire Exceptional Events meeting - March 5-6, 2013
- Status of Regional Office responses to EE requests - Don Arkell, Fall 2012 WESTAR meeting
- Lessons Learned in Arizona - Eric Massey presentation, Fall 2012 WESTAR meeting
- Status of EPA EER Guidance development - Colleen McKaughan presentation, Fall 2011 WESTAR meeting
- EPA status report - Scott Mathias presentation, Fall 2010 WESTAR meeting
- WESTAR State Exceptional Events tracking table
- Link to EPA webpage with example exceptional events requests
- WESTAR questions to EPA on Natural Events Policy (12/3/2003)
- EPA response to questions on Natural Events Policy (Spring 2004)
- WESTAR recommendations on 1998 Interim Air Quality Policy on Wildland and Prescribed Fires (12/26/07)
- Webpage: Natural Events Policy (pre-exceptional events discussions)
- EPA approval of Flint Hills EER request, 8-hour O3 from prescribed burning
Laws, Regulations and Guidance
Comments/Recommendations
Meetings/Workshops/Presentations
Additional Information