1. Saritha Karnae Dept. of Environmental Engineering Texas A&M University-Kingsville Kuruvilla John Dept. of Mechanical and Energy Engineering University of North Texas, Denton Corpus Christi Air Quality Committee Meeting January 19, 2012 Rider 8: Ozone monitoring activities

2. Ozone Monitoring Sites

3. CAMS SITE Start DateEquipment (Instruments) Holly road CAMS 660 September, 1997Teledyne-API, Climatronics wind sensor, Coastal environmental, Zeno datalogger, and Enfora modem. Violet CAMS 664 August, 2003Teledyne-API, RM Young wind sensor, Coastal environmental, Zeno datalogger, and Enfora modem. Aransas Pass CAMS 659 August, 2003Teledyne-API, RM Young wind sensor, Coastal environmental, Zeno datalogger, and Enfora modem. Odem CAMS 686 March, 2007Teledyne-API, Climatronics wind sensor, Coastal environmental, Zeno datalogger, and Enfora modem. Ingleside CAMS 685 March, 2007Teledyne-API, Climatronics wind sensor, Coastal environmental, Zeno datalogger, and Enfora modem. Taft CAMS 687 March, 2007Teledyne-API, Climatronics wind sensor, Coastal environmental, Zeno datalogger, and Enfora modem.

4. Ozone Trends

5. CAMS 04 CC West CAMS 21 CC Tuloso CAMS 660 Holly Road CAMS 659 Aransas Pass CAMS 664 Violet CAMS 686 Odem CAMS 685 Ingleside CAMS 687 Taft 2002-20048075 2003-20057572 2004-20067268697471 2005-2007706774 71 2006-20087169727471 2007-200968696775696867 2008-20106971667569 7069 2009-201171726775727170 Ozone trends observed at the research grade non-compliance grade monitoring stations operated by UNT-TAMUK.

6. Annual exceedance count – 2009

7. Annual exceedance count – 2010

8. Annual exceedance count - 2011

9. Monthly exceedance count - 2011

11. Weekday-Weekend analysis - 2011

12. Time series of high ozone days

13. Meteorological characteristics

14. High ozone days - 2011

16. Backward trajectories (a) >=75 ppb, (b) >=70 ppb, (c) >=65 ppb, and (d) >=60 ppb Twenty four hour backward trajectories at CAMS 659 during high ozone days in 2010.

17. Backward trajectories Twenty four hour backward trajectories at CAMS 659 during high ozone days (>=75 ppb) in 2011.

18. Thank you. Questions? Contact: Saritha Karnae Research Engineering Associate Department of Environmental Engineering Texas A&M University-Kingsville Email: kask000@tamuk.edu Dr. Kuruvilla John Professor and Associate Dean College of Engineering University of North Texas Email: kuruvilla.john@unt.edu kask000@tamuk.edukuruvilla.john@unt.edu