OAQPS Air Program Update: WESTAR Fall Meeting September 29, 2010 Scott Mathias, Associate Director Air Quality Policy Division.

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Presentation transcript:

OAQPS Air Program Update: WESTAR Fall Meeting September 29, 2010 Scott Mathias, Associate Director Air Quality Policy Division

22 Current Schedule for Ongoing NAAQS Reviews (Sept 2010) MILESTONE POLLUTANT NO 2 PrimarySO 2 Primary Ozone Reconsideration COPM NO 2 /SO 2 Secondary Lead ProposalJun 26, 2009Nov 16, 2009Jan 6, 2010Jan 28, 2011Feb 2011July 12, 2011Nov 2013 Final RuleJan 22, 2010Jun 2, 2010Oct 29, 2010Aug 12, 2011Oct 2011Mar 20, 2012Sept 2014 NOTE: Underlined dates indicate court-ordered or settlement agreement deadlines Next Ozone Review: Proposal in Jun 2013 and Final in Mar 2014

3 Pre-decisional material -- do not quote or cite 3 Pollutant NAAQS Promulgation Designations Effective (approximate date) 110(a) SIPs Due (3 yrs after NAAQS promulgation) Attainment Demonstration Due Attainment Date PM 2.5 (2006) Sept 2006Dec 2009Sept 2009Dec 2012 Dec 2014/2019 PbOct 2008 Nov 2010/2011 (extra time for new monitors) Oct 2011 May 2012/2013 Nov 2015/2016 NO 2 (primary) Jan 2010Feb 2012Jan 2013Aug 2013Feb 2017 SO 2 (primary) June 2010July 2012June 2013Jan 2014July 2017 Ozone (all dates tentative) Oct 2010 Oct 2011 (proposed) Oct 2013 Feb 2014 (to be proposed) Dec 2017 (Moderate) COAug 2011Sept 2013Aug 2014Mar 2015Sept 2018 PM 2.5 (2011) Oct 2011Dec 2013Oct 2014Dec 2016 Dec 2018/2023 NO 2 /SO 2 Secondary Mar 2012Apr 2014Mar 2015Oct 2015n/a Anticipated NAAQS Implementation Milestones

4 4 SO 2 Designations Milestones ActionDate Final NAAQS signedJune 2, 2010 Governors’ recommendations due to EPAJune 3, 2011 EPA sends out 120-day letter to all States/Tribes and notifies public via FR Feb. 4, 2012 Deadline for States/Tribes to respond to EPA’s modifications April 4, 2012 Final designationsJune 3, 2012

5 Designations strategy outlined in final SO 2 NAAQS rule: An area that has both monitoring data and appropriate modeling results showing no violations would be designated as “Attainment.” Those with monitored violations will be designated “Nonattainment” and must develop attainment plan in 18 months (approx. Jan 2014) showing compliance in 5 years (approx. Aug 2017). All others will be designated “Unclassifiable” and must ensure attainment/maintenance under sec. 110(a)(1) plan due June Would include modeling of significant SO 2 sources and necessary emissions controls demonstrating attainment/maintenance by Aug

6

7 SO 2 Point Sources Greater Than 25 tpy SO 2 point sources >= 100 tpy SO 2 point sources 25 <-100 tpy USEPA OAQPS AQPD 09/16/2010

8 - Small white outlined squares= 36x36km grid cells - The red circles represent a 25km/15mi radius around all facilities (points) >25 tpy. USEPA OAQPS, AQPD 09/15/2010 Areas in Green with less than 10 tpy Total SO 2 Emissions Key: 1, ,000 tpy Dark Pink 275-1,000 tpy tpy tpy tpy tpy Light Pink 0-10 tpy Green “Gridded” SO 2 Emissions

9 “Attainment” Determinations State input: Can EPA provide relief to states from 110(a)(1) modeling requirements by determining certain areas are “Attainment” in the designations process? Can criteria be developed sufficiently in advance of the deadline for receiving state recommendations (June 2011) to guide identifying areas where violations are not likely? e.g. Areas with no requirements for new monitoring and no, or minimal, emissions sources. Emissions thresholds? Source types/locations? Others? Alternatively, this guidance would be provided after designations to assist areas designated as “Unclassifiable” to determine if modeling is required/needed in 110(a)(1) plan.

10 EER Implementation is Challenging The EER is the mechanism by which air quality data can be excluded from regulatory decisions and actions –Affects design value calculations, NAAQS designation status, and State Implementation Plan development. Final rule text and preamble provide room for interpretation –“Clear causal relationship” between event and monitored concentration –Event associated with a concentration “in excess of normal historical fluctuations including background” –Not reasonably controllable or preventable = “reasonable controls” –Exceedance would not have occurred “but for” the event –Relationship between natural events and anthropogenic activities – both can contribute to an exceedance Exceptional events are unique and varied –Difficult to provide general guidance –Difficult to determine how much evidence/technical analysis for demonstrations is enough

11 Stakeholder Input on EER Rule Changes are Necessary: EER language is vague and interpretive, and includes language beyond statutory requirements –EER language requiring “event concentrations to be in excess of normal historical fluctuations” and a demonstration that “there would not have been an exceedance or violation but for the event” are additional qualifiers that: Are not in the authorizing legislation. Are flawed provisions added by EPA that should be removed. Guidance is Needed: If EPA elects to make rule changes, guidance will be needed as an interim measure. If EPA chooses not to pursue rule changes, implementing guidance is necessary. –Guidance should recognize the limited resources of State/Local/Tribal agencies and clearly articulate the minimum acceptable demonstration requirements. –Establish a viable “but for” test for high wind and wildfire-related ozone events. Process Changes are Warranted –Collaboration needed throughout the demonstration submittal and review process. –Set specified time limit for demonstration review and response.

12 Overview of EPA EER Activities EPA Exceptional Events Work Group (EE WG) identifying, assessing, and prioritizing the challenges to EER implementation –Considering formal and informal input from States / Tribes –Considering experiences in reviewing State / Tribe – submitted EE documentation –Addressing priority issues raised by Regions and State Stakeholders EE WG prioritized issues and established timeline and action plan for resolution –Some by October 2010 –Some after October 2010 Anticipated EE WG recommendations to include: –Immediate products (e.g., Web site, example demonstrations) –Short-term products (e.g., policy memo, process changes, types of analyses that might satisfy EER requirements) –Longer-term products (e.g., significant guidance, “beyond historical fluctuations” clarifications, high wind strategy, rulemaking)

13 EPA Priorities (by October 2010) 1 Develop Question & Answer (Q&A) document (Phase 1) –Answers some of the more “straightforward” questions raised by States/Local/Tribal agencies (additional questions included in Phase 2 Q&A) –Clarify if/when air quality concentrations/data that contribute to an exceedance of a NAAQS can be flagged and considered for exclusion as influenced by exceptional events Case-specific by NAAQS, form of the NAAQS, and measurement approach Clarify interpretation of what is currently allowed under the EER Provide acceptable approaches for showing that the “but for” test is met Exceptional Events public Web site with resources for states such as "Best Practices" and examples of previously approved demonstrations –Available at:

14 EPA Priorities (by October 2010) 2 Develop High Winds Strategy document –EE WG considering three Guiding Principles Focus on exceedances due to sources beyond state/local control It is desirable to have reasonable controls in place to protect public health Tiered approach to determine reasonableness of controls –Considering definition of the event as the generation of dust by wind, rather than the wind itself, and a threshold wind speed definition Emphasizes causality and reasonable controls De-emphasizes uniqueness and historical comparisons (“in excess of normal historical fluctuations”) –Considering mitigation action plan requirement if events recur or if a portion of the exceedance is from controllable sources

15 EPA Priorities (after October 2010) Develop Fire Events Strategy document –Identify technical methods to demonstrate that ozone exceedances would not have occurred “but for” wildfires –Examine whether there are clear conditions under which prescribed fires may qualify as exceptional events –Be consistent with Fire Policy and timing of ozone designation schedule Further examine what controls/plans/work practices could satisfy the requirement for “reasonable” controls under EER Develop Q&A document (Phase 2) –May include definitions to be addressed by rule change recommendations (e.g., natural event, human activity, high wind event, cultural events, prescribed fire, recurring anthropogenic events)

16 Fire Policy Status Fire Policy intended to fulfill commitment in the Exceptional Events Rule (EER) to revise the Interim Air Quality Policy on Wildland and Prescribed Fires to be consistent with the EER and to address agricultural burning. –New Fire Policy will supersede the Interim Policy. –Goal of Policy is to acknowledge fire as a resource management tool and to provide guidance on developing smoke management programs that minimize air quality impacts. Draft Fire Policy was submitted for OMB review in February 2010 and withdrawn in May 2010 due to concerns expressed by the federal land managers. –EPA currently meeting with Federal Agencies to understand and address their specific concerns. –Opportunity for states to share concerns after we complete our discussions with the other Federal Agencies. –Policy will then return to OMB for review. –Once the OMB review process is complete, the draft policy will be available for a 60-day public review and comment period.

17 PM 2.5 NSR & Surrogate Policy Use of PM 10 Surrogate Policy ended for Federal PSD programs July 2008, except for grandfathered applications. –Applicability to grandfathered applications was stayed June –SIP-approved programs have until May 2011 to fully adopt PM 2.5 PSD program. February 2010: EPA proposed to end PM 10 Surrogate Policy for all applications. –Does not affect ability to demonstrate surrogacy. Final rule scheduled for signature early 2011.

18 PM 2.5 Increments/SILs/SMC Final rule to be effective 60 days after FR publication –SILs and SMC to be immediately effective in Federal PSD program rules –Increment analysis requirement effective in 1 year States have 21 months to revise PSD SIP to incorporate new increment provisions –SILs and SMC are not mandatory program elements

19 NO 2 /SO 2 Permitting Interim SILs/SMC for both 1-hour NO2 and SO2 NAAQS provided in guidance. –May be used until EPA establishes by rule; work is underway. Reviewing and considering new increments, including possibility that 1-hour increments are not needed. We are aware of concerns about complying with 1-hour NO2 NAAQS –e.g., OCS projects, emergency equipment –Looking at longer-term solutions that may require policy or regulatory approaches We are aware of need for AERMOD modification to calculate impacts consistent with new standard forms and to support “cause or contribute to” determinations. –We are working on necessary guidance and tools

20 Air Toxics Regulatory Trends 44 court ordered deadlines Advance or complete standards in FY 2012 Legal support during development Increased research on multi-toxic emissions

21 Air Toxics Strategy Reduce pollution in communities Target priority categories of emission sources Reduce air toxics using a more cost-effective “sector- based” regulatory approach Reduce air toxics through community-based programs Improve data collection and provide better information to the public through monitoring and national assessments (supports Regaining Ground Initiative) Provide tools to help communities and other stakeholders participate in rulemaking. Coordinate compliance and enforcement efforts towards priority sectors and areas of concern

22 Priority Sectors Petroleum refining Iron & Steel Chemical Manufacturing Utilities Non-utility Boilers Oil & Gas Portland Cement Vehicles Emissions from all of these sectors disproportionately affect minority communities

23 Multi-pollutant Rulemaking Common sense coordination –OAR will take advantage of the natural overlap of certain air toxics, criteria pollutant, and GHG rules and coordinate the development and implementation of MACT and NSPS where it makes sense. –Many air toxics are also particles or volatile organic compounds (VOC). Coordinating MACT development for specific source categories with other rules can: –reduce rulemaking costs; –provide more certainty and lower costs for industry; –simplify implementation for states, local, and tribal agencies; and –enhance cost-effective approaches. Utilities Utility Strategy will allow a coordinated approach to MACT, NSPS and the Clean Air Transport Rule Cement Coordinating development of the MACT and NSPS. Reducing toxic HCl emissions results in huge reductions in SO2, which will satisfy NSPS. Refineries & Chemical Plants OAR is pursuing a coordinated approach with OECA to reduce multi- pollutant emissions from flares and leaks Examples