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April 27, 2001TNRCC/TAD/Gribbin1 Changes over Recent Years in Air Quality in the Rio Bravo/Rio Grande Border Region Erik Gribbin, Technical Analysis Dave.

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Presentation on theme: "April 27, 2001TNRCC/TAD/Gribbin1 Changes over Recent Years in Air Quality in the Rio Bravo/Rio Grande Border Region Erik Gribbin, Technical Analysis Dave."— Presentation transcript:

1 April 27, 2001TNRCC/TAD/Gribbin1 Changes over Recent Years in Air Quality in the Rio Bravo/Rio Grande Border Region Erik Gribbin, Technical Analysis Dave Sullivan, Monitoring Operations Bryan Lambeth, Monitoring Operations Thomas Porter, Monitoring Operations

2 April 27, 2001TNRCC/TAD/Gribbin2 National Ambient Air Quality Standards Pollutant1 Hour3 Hour8 Hour24 HourAnnual CO35 ppm9 ppm NO 2 53 ppb O3O3 125 ppb85 ppb Pb * 1.5 ug/m 3 PM 10150 ug/m 3 50 ug/m 3 PM 2.565 ug/m 3 15 ug/m 3 SO 2 0.50 ppm0.14 ppm0.03 ppm

3 April 27, 2001TNRCC/TAD/Gribbin3 CAMS Monitor Locations – Region 6

4 April 27, 2001TNRCC/TAD/Gribbin4 Exceedance of 24 Hour PM 10 Standard in El Paso (1987-2000)

5 April 27, 2001TNRCC/TAD/Gribbin5 PM 10 Annual Averages in El Paso (1987-1999)

6 April 27, 2001TNRCC/TAD/Gribbin6 El Paso: The Average of Daily Peak CO 8-Hr Averages for Winter Months, 1990-2000

7 April 27, 2001TNRCC/TAD/Gribbin7 Seasonal Daytime Carbon Monoxide Averages in El Paso (1990-2000)

8 April 27, 2001TNRCC/TAD/Gribbin8 One Hour Ozone Exceedance Days in El Paso (1987-2000)

9 April 27, 2001TNRCC/TAD/Gribbin9 Meteorologically Adjusted Trends in 8 Hour Carbon Monoxide Averages in El Paso (1990-1998)

10 April 27, 2001TNRCC/TAD/Gribbin10 One Hour Ozone Design Values for El Paso (1987-2000)

11 April 27, 2001TNRCC/TAD/Gribbin11 Eight Hour Ozone Design Values for El Paso (1987-2000)

12 April 27, 2001TNRCC/TAD/Gribbin12 CAMS Monitor Location – Region 16

13 April 27, 2001TNRCC/TAD/Gribbin13 CAMS Monitor Location – Region 15

14 April 27, 2001TNRCC/TAD/Gribbin14 Annual PM 10 Averages in Laredo and Brownsville (1996-2000)

15 April 27, 2001TNRCC/TAD/Gribbin15 Changing Traffic Patterns in Laredo

16 April 27, 2001TNRCC/TAD/Gribbin16 Quarterly Daytime Carbon Monoxide Values in Laredo and Brownsville (1993-2000)

17 April 27, 2001TNRCC/TAD/Gribbin17 Air Quality Considerations in Big Bend National Park

18 April 27, 2001TNRCC/TAD/Gribbin18 Air Quality Considerations in Big Bend National Park (Part II)

19 April 27, 2001TNRCC/TAD/Gribbin19 Other Air Quality Issues Along the Border

20 April 27, 2001TNRCC/TAD/Gribbin20 Other Air Quality Issues Along the Border

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