Speciating volatile organic compounds in indoor air: using in situ GC to interpret real-time PTR-MS signals. - Ditto, Jenna C.; Huynh, Han N.; Yu, Jie; Link, Michael F.; Poppendieck, Dustin; Claflin, Megan S.; Vance, Marina E.; Farmer, Delphine K.; Chan, Arthur W. H.; Abbatt, Jonathan P. D. (Environmental Science: Processes & Impacts, 2025)