Exceptional Events and Fire Policy Presented by Don Hodge, U.S. EPA Region 9 Interagency Air and Smoke Council meeting May 2, 2012 Disclaimer: Positions and views expressed here represent draft EPA guidance and/or staff recommendations and not final Agency policy
Clean Air Act The Basics Regulates Criteria pollutants Visibility Process Federal: sets NAAQS and designates attainment State, Tribal, local: develop implementation plans, regulate emissions, and monitor concentrations and haze Goal Maintain or attain air quality meeting standards As shown by ambient air monitoring data 2
Clean Air Act Exceptions Some events are not under regulatory control EER provides the process to exclude valid ambient concentration data from attainment determinations 40 CFR 50.1(j), 40 CFR
Definition of “Exceptional Event” 40 CFR 50.1(j) Affected air quality Natural or Caused by human activity and unlikely to recur at a particular location Event was not reasonably controllable or preventable Event was not related to: Weather Source noncompliance 4
Fire Policy purpose Prescribed fire characteristics Long-term ecological and human health benefits Human activity Likely to recur at same location? Reasonably controllable or preventable? Fire Policy intended to clarify application of EER in this case 5
Fire Policy process Interim Fire Policy requirements State-certified smoke management plan Basic smoke management practices Revised Fire Policy development status EPA leads are revising the draft to address comments from EPA regional offices on Federal Land Managers’ proposed language Revised draft policy expected summer
Contacts Exceptional events Katherine Hoag, Air Quality Analysis Office Fire Policy Process Don Hodge, Agriculture Program
Demonstration of “Exceptional Event” Clear causal relationship Concentrations in excess of normal historical concentrations No exceedance/violation but for the event 8
Exceptional Events Rule The Process 1. State air-quality agencies flag the monitoring data and submit documentation connecting the data to an exceptional event. 2. EPA reviews documentation. Options: concur, not concur, not act. 3. If we concur, we: Exclude data from NAAQS attainment demonstration Document our concurrence 9
Exceptional Events Guidance Recent Activity 10 Elements currently drafted High Winds Guidance document Extensive Q/A Resources, examples: Review and revision timeline Summer 2011: state/local/tribal and FLM agency comments received Spring/Summer 2012: finalize response to comments document and send to original commenters Later in 2012: release revised draft guidance for broader public review and comment via a Notice of Data Availability in the Federal Register Finalize guidance Determine next steps regarding potential rule changes Planned elements demonstration elements for wildfire / ozone exceptional events prescribed fire