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SUMMARY:Investigating Ozone Reactivity and Fate in an Indoor Environment
LOCATION:Chemistry A101
TZID:America/Denver
DTSTART:20241009T160000
UID:2026-05-04-00-57-26@natsci.colostate.edu
DTSTAMP:20260504T005726
Description:About the Seminar: Indoor chemical exposures frequently match o
 r exceed those experienced outdoors. The large fraction of time most peopl
 e spend indoors makes this true even for species with greater outdoor abun
 dances\, such as ozone. Ozone is a criteria air pollutant with harmful res
 piratory and cardiovascular effects. Transport of polluted outdoor air bri
 ngs ozone indoors\, where it rapidly oxidizes abundant unsaturated organic
  molecules. Such chemistry attenuates concentrations relative to outdoors\
 , but simultaneously produces toxic and irritating chemical species. The h
 ealth effects of indoor ozone therefore depend both on ozone itself and it
 s reactive fate. However\, the complexity of the indoor environment makes 
 characterizing ozone reactivity and fate challenging. The existence of mul
 tiple sources for a single chemical makes attributing compounds to ozone c
 hemistry exceedingly difficult. Lab studies have identified numerous produ
 cts of ozone chemistry\, but extrapolation requires caution. Additionally\
 , while chemical and physical characteristics of an environment are expect
 ed to control ozone reactivity\, their influences remain unclear. By addin
 g stable isotope labeled ozone to a well-controlled\, realistic indoor spa
 ce\, it is possible to reduce uncertainty in the fate of indoor ozone. Obs
 erving how ozone behavior and fate changes in response to chemical and phy
 sical perturbations can also provide insight into drivers of ozone reactiv
 ity.\n\n&nbsp\; 4:00 pm
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