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State Implementation Plan (SIP) Development Process

State Implementation Plan (SIP) Development Process. Presentation to: Centralina Nonattainment Area Elected Officials and City and County Managers and Planners Donnie Redmond April 8, 2005. Outline. Background Timeline Current DAQ effort Modeling results

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State Implementation Plan (SIP) Development Process

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  1. State Implementation Plan (SIP) Development Process Presentation to: Centralina Nonattainment Area Elected Officials and City and County Managers and Planners Donnie Redmond April 8, 2005

  2. Outline • Background • Timeline • Current DAQ effort • Modeling results • Future: Potential Developments • What do you need to remember from this presentation?

  3. Background • Federal Clean Air Act • Ozone formation • Designation • Impact • New Source Review (NSR) • Transportation conformity • State Implementation Plan (SIP) • Difference between • Attainment demonstration • Redesignation request • Transportation conformity

  4. Attainment Demonstration • Focus of today’s presentation • Process that DAQ is now undertaking • Essentially, a modeling exercise to demonstrate that the State has a valid plan to attain the standard • Does not address • Actual current air quality • Transportation conformity

  5. Redesignation Request • Separate process to be undertaken at a future date • Local field monitors show standards have been met

  6. Current Ozone Values(Standard is less than 85 ppm)

  7. Transportation Conformity • SIP contains a “budget” for each source segment • Point sources • Industries • Area sources • Dry cleaners, gas stations, print shops, etc. • Mobile • Onroad, offroad • Biogenics

  8. Attainment Demonstration • Focus of today’s presentation • Process that DAQ is currently undertaking • Develop emissions inventory • Select meteorological event • Perform computer modeling • Show that area is projected to attain standard during summer of 2009 • Submit to EPA by June 2007

  9. Timeline • Summer 2005: Modeling results • Fall 2005: Strategies • Spring 2006: Public hearings • Fall 2006: Environmental Management Commission (EMC) approval • Early 2007: Legislative review • June 2007: Due to EPA

  10. Current DAQ Efforts • Emissions Inventory • Factor in growth • Model existing regulations • Federal control measures • Cleaner vehicles • Cleaner fuels • NOx SIP Call/Clean Air Interstate Rule • State control measures • Better auto emissions testing procedure • Expanded auto emissions testing • Clean Smokestacks Act

  11. Modeling Results • When will they be ready • June/July • What they will mean • If we are clean • If we are not

  12. Modeling Results • If we show attainment • Remember • This is modeling demonstration of 2009, not actual results for 2005 • Proceed with the public process • Submit SIP to EPA

  13. Modeling Results • If we do not show attainment • All Federal and State measures have been included • Must adopt additional measures • Evaluate local measures (local input) • Re-run models • Repeat until we can show attainment

  14. Local Measures • Focus on major emission sources • Reduction in vehicle miles traveled • Nonroad engines • Generators, construction equipment, lawnmowers, etc. • Fleet turnover • Alternative fuels • Diesel retrofit, anti-idling policies • Growth management • Episodic controls

  15. 15% VOC reduction(VOC = volatile organic compounds) • Additional requirement for “moderate” ozone areas • Independent of ozone results • Example measures • Reduce volatility of gasoline • Enhanced gasoline vapor recovery • Additional controls on specific point or area sources

  16. Future: Potential Developments • When we get through this current process, we cannot declare victory and go home … • Growth assumptions may change • Science may change • EPA is now reviewing ozone and PM standards • Sept 2006: Fine particles • Dec 2007: Ozone

  17. What do you need to take away from this … • Modeling results will be ready in June/July • If they show attainment • Be happy, but remember things may change in the future • Don’t forget the 15% VOC reduction • If they don’t show attainment • We’ll need to consider local measures • We’ll need them rather quickly to meet deadlines

  18. For additional info • Donnie Redmond • Asst. Chief for Planning • 919-733-1481 • Donnie.Redmond@ncmail.net • DAQ website • www.ncair.org • To see “live” air quality values • http://daq.state.nc.us/ambient/monitors/

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