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State Implementation Plan (SIP) Development Process Presentation to: Centralina Council of Governments Donnie Redmond July 13, 2005.

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Presentation on theme: "State Implementation Plan (SIP) Development Process Presentation to: Centralina Council of Governments Donnie Redmond July 13, 2005."— Presentation transcript:

1 State Implementation Plan (SIP) Development Process Presentation to: Centralina Council of Governments Donnie Redmond July 13, 2005

2 2 Summary What are the air quality issues? How do they affect Centralina? What is being done about SIP? What do you need to remember from this presentation?

3 3 What are the air quality issues? Federal Clean Air Act –Ozone –Fine particles (PM2.5) –Carbon monoxide –Greenhouse gases Ozone is the pollutant of primary concern –Entire metro area is included

4 4 How does it affect Centralina? Designation as nonattainment –New Source Review (NSR) –Transportation conformity –State Implementation Plan (SIP) –Awareness of health issues

5 5 NC 8-hr Ozone Nonattainment Areas

6 6 What is being done about SIP? Attainment demonstration –Essentially, a modeling exercise to demonstrate that the State has a valid plan to attain the standard –I.e., computer projection of future air quality Redesignation request –Separate process undertaken once local field monitors show standards have been met –I.e., actual measurement of current air

7 7 Attainment Demonstration Why is it important? –Determine whether we have to add more environmental programs to meet the Federal standards

8 8 Attainment Demonstration How is it going? –Ozone is measured in the summer –Goal is <85ppm in 09 (Disclaimers on next page) Measured100 ppm03 Measured94 ppm04 Modeled84 ppm09

9 9 Attainment Demonstration Disclaimers –EPA final guidance is not yet available Calculation method may change Best guess Conservative (I.e., worst value) –Still checking for errors/updates in our inputs

10 10 Attainment Demonstration What does it mean? –It looks like we will be able to show attainment of the Federal ozone standard with the air pollution programs that are already planned 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 11 Attainment Demonstration Timeline Summer 2005: Modeling results Fall 2005: Strategies (if needed) Spring 2006: Public hearings Fall 2006: Environmental Management Commission (EMC) approval Early 2007: Legislative review June 2007: Due to EPA

12 12 Redesignation Request Process that DAQ will undertake when actual measurement of the air shows it meets the Federal standard Why is it important? –Remove nonattainment label –Remove new source review (NSR)

13 13 AQ Monitor Network Overview

14 14 Current Ozone Values (Standard is less than 85 ppm) Monitor average average County Line9892 Enochville9991 Rockwell10094 Garinger9691 Crouse9286 Monroe8885

15 15 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

16 16 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

17 17 What do you need to take away from this … We think we will be able to show that our air will meet standards in 09 with our existing environmental programs The measured ozone levels are decreasing, but still above the standard Be happy, but remember things may change in the future

18 18 For additional info Donnie Redmond –Asst. Chief for Planning – DAQ website –www.ncair.org


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