Indoor cleaners may expose humans’ respiratory tracts to at least as many pollutant particles as vehicle exhaust, according to new observations from ScienceAdvances.
were made by a colocated spectral radiometer and used to determine additional photolysis frequencies in the model .The PTR-ToF-MS was connected to a “common-outlet” type, programmable multiport flowpath selector to enable for automated multilocation sampling between the test room and its mechanical ventilation system. A vacuum pump that was also connected to the selected stream outlet provided a constant carrier flow of approximately 9 liters min.
The LIF-FAGE, aerosol instruments, and Oanalyzers only sampled room air for the duration of the mopping events reported in this study. The sampling location of each instrument in the room is shown in fig. S1.The terpene-based cleaning solution was analyzed after experiment using GC-MS. Before injection, 1 ml of the cleaning solution was extracted using 100 ml of dichloromethane using a separatory funnel; the bottom layer was then reextracted with 20 ml of DCM twice.
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