Notes

Outline

Charlotte-Rock Hill-Gastonia MSA  Summertime Ozone Formation

Arizona’s Valley of the Sun “Brown Cloud”

Slide 3

Presence of NO2 (brown gas) results in inevitable formation of ozone

Ozone precursors

Volatile Organic Compound (VOC) Removal

Formation of Nitrogen Dioxide

Slide 8

’95-’99 AM NMOC/NOy Ratios for the Plaza Monitoring Site

Day of Week NOx Emissions from Four Coal-fired Plants near Charlotte

I-77 Traffic Volume vs. Time of Day

Slide 12

Slide 13

Slide 14

Slide 15

Slide 16

Slide 17

Slide 18

Slide 19