1. www.NEXLASER.com

2. Smog “Trends” -- Atlanta and Elsewhere Annual Peak Observed Concentration, 1974 - 2002 EPD, US EPA

3. 2-D Measurements Air monitor network is at ground level Vertical information is missing

4. Sunlight Entrainment of pollutants aloft Airflow In Airflow Out Chemical Reactions Source Emissions Changing Mixing Layer Thickness Mixing Layer Thickness Surface Reactions

5. The NEXLASER Concept Laser Remote Sensors A network for continuous air quality monitoring

6. Aerosols September 5

7. Optical Depth Comparison Sept 5

8. Ozone Concentration Sept 5

9. Ground Level Ozone Sept 5

10. Georgia Tech Participants Dr. William Chameides Regents’ Professor School of Earth and Atmospheric Sciences Dr. Shaw Liu GRA Eminent Scholar School of Earth and Atmospheric Sciences Dr. C. S. Kiang Institute Professor School of Earth and Atmospheric Sciences Dr. Armistead Russell Georgia Power Professor, School of Civil and Environmental Engineering, and Director of Air Resources Engineering Center (AREC) Dr. Michael Rodgers Principle Research Scientist, School of Civil and Environmental Engineering, and Director, Air Quality Laboratory Dr. Michael Chang Coordinator, Center for Urban and Regional Ecology (CURE) Institute for Sustainable Technology and Development Dr. Lawrence Frank Assistant Professor School of Architecture

11. More Georgia Tech Participants Dr. Michael H. Bergin Assistant Professor School of Civil and Environmental Engineering, Earth and Atmospheric Sciences Dr. Karsten Baumann Senior Research Engineer School of Earth and Atmospheric Sciences Dr. David Tan Assistant Professor School of Earth and Atmospheric Sciences

12. Network of UV DIAL Lidars 3D Measurements Ozone & Particulates Continuous 24-hour monitoring Reduced, real-time data on internet Key information for improving air quality Multiple, affordable sensors Air Quality Sensors for the New Millennium Dr. Gary Gimmestad Electro-Optics, Environment and Materials Laboratory (404) 894-3419 gary.gimmestad@gtri.gatech.edu www.NEXLASER.com