Figure 3

Categorization of volatile organic compounds (VOCs) emitted from workshops A and B into ketones, BTEX (benzene, toluene, ethylbenzene, and xylene), and O3 precursors. (a) Ketones emitted from workshops A and B. (b) BTEX emitted from workshops A and B. (c) Emissions from workshops A and B based on VOC classification (O3 precursors and VOC species).