1. Allegheny County Health Department Roger Westman, Ph.D Manager, Air Quality Program 2006

2. Federal Environmental Protection Agency National Ambient Air Quality Standards New Source Performance Standards National Emission Standards for Hazardous Air Pollutants (Toxics) Oversight of State & Local Programs Grants

3. State and Local Programs Measure Air Quality Regulate Pollution Sources Plan Transportation Controls Develop an Overall Plan Track Emissions PENNSYLVANIA LOCAL AIR PROGRAMS Philadelphia Air Management Services Allegheny County Health Department

4. Air Quality Program Monitor Air Quality

7. Air Quality Program Monitor Air Quality Track Emissions of Pollutants

8. Elrama Power Plant West Elizabeth Industrial Area US Steel Clairton Works US Steel Irvin Works Central Business District Pittsburgh International Airport Neville Island Industrial Area Springdale Power Plants US Steel Edgar Thomson Allegheny Ludlum Brunot Island Power Plant Monitoring Site Wind Allegheny County – Sources of Interest & Monitoring Sites

9. Air Quality Program Monitor Air Quality Track Emissions of Pollutants Permit sources

10. Air Quality Program Monitor Air Quality Track Emissions of Pollutants Permit sources Enforce Air Regulations

11. Air Quality Program Monitor Air Quality Track Emissions of Pollutants Permit sources Enforce Air Regulations Develop strategies and regulations to meet standards

12. Reasons for Regulations State Implementation Plans Federal Source Operating Permit Requirements Installation Permits Special Federal Control Programs Toxic Air Pollutant Programs Pennsylvania State Air Regulations Local Needs

13. Sulfur Dioxide SO 2 Lead--Pb Ozone—O 3 Nitrogen Oxides-NO x Organic Compounds Particulate Matter PM-2.5 PM-2.5 T o x i c s Sulfates Nitrates Organic Compounds Ammonia

14. National Ambient Air Quality Standards (NAAQS) PollutantLong-Term Standard Short-Term Standard PM 2.5 15 µg/m³65 µg/m³ PM 10 50 µg/m³150 µg/m³ Ozonen/a0.08 ppm SO 2 0.03 ppm0.14 ppm COn/a9 ppm NO 2 0.05 ppmn/a Pb1.5 µg/m³n/a

15. Criteria Pollutant State Implementation Plan (SIP) Toxic Pollutant Source-specific plans

16. Successes: Now meeting all the 1970’s and 1980’s Now meeting all the 1970’s and 1980’s Air Quality Standards Air Quality Standards Challenges: Ozone – 8 hour standard PM-2.5 PM-2.5

17. March 2005 Ozone and Fine Particle Nonattainment Areas Nonattainment areas for both 8-hour ozone and fine particle pollution Nonattainment areas for fine particle pollution only Nonattainment areas for 8-hour ozone pollution only Source: EPA Note: Southern California is the only area in the Western U.S. with red areas (both 8-hour ozone and PM2.5)

18. Current ACHD Pollution Control Initiatives Wood Stove Trade-Out Bus Retrofit Diesel Idling

20. Ozone Nonattainment Areas - Mid-Atlantic

21. BUTLER LAWRENCE BEAVER ALLEGHENY ARMSTRONG FAYETTE GREENE WASHINGTON WESTMORELAND Pittsburgh – Beaver Valley Area SW Pennsylvania Ozone Nonattainment Designations

23. PM 2.5 Nonattainment Areas - Pennsylvania

26. Liberty/Clairton PM 2.5 Area Includes: City of Clairton Glassport Borough Liberty Borough Lincoln Borough Port Vue Borough

27. Liberty/Clairton Area

28. PM 2.5 Trends, Annual Averages

29. PM 2.5 Trends, 98-percentile 24-Hour Values

30. PM 2.5 - Average Major Chemical Species Timeframe: Oct. 2003 – Jan. 2005

31. Lawrenceville PM 2.5 - Major Species by Time Timeframe: Oct. 2003 – Jan. 2005

32. Liberty PM 2.5 - Major Species by Time

33. Lawrenceville & Liberty Hourly Peaks, High Day

34. Positive Matrix Factorization (PMF) Modeling Results

38. PM 2.5 - Average Major Chemical Species Timeframe: Oct. 2003 – Jan. 2005

39. PittsburghofYesterday…

40. Pittsburgh Today Successes, but with Challenges