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- Saha, Provat K.; Reece, Stephen M.; Grieshop, Andrew P.
- Environmental science & technology 2018 v.52 no.13 pp. 7192-7202
- aerosols; air; chemical composition; emissions; environmental science; oxidants; oxidation; ozone; seasonal variation; summer; temperature; traffic; vehicles (equipment); winter; North Carolina
- ... The extent to which motor vehicles contribute to ambient secondary organic aerosol (SOA) remains uncertain. Here, we present in situ measurements of SOA formation at a near-highway site with substantial tree-cover 10 m from Interstate 40 near Durham, North Carolina. In July 2015 (summer) and February 2016 (winter), we exposed ambient air to a range of oxidant (O₃ and OH) concentrations in an oxida ...