Polycyclic aromatic hydrocarbons (PAHs) such as benzo(a)pyrene contaminate the indoor environment in which infants spend most of their time. Major sources of PAHs compounds in indoor air include emissions from residential heating (e.g., coal or wood stoves, fireplaces, kerosene heaters), unvented gas appliances, environmental tobacco smoke (ETS), and fumes from cooking, grilling, and frying [1–4]. In addition, major outdoor sources of PAHs emissions, such as car fumes and power plants, increase PAHs concentrations in outdoor air, and affect their levels indoors.
Polycyclic aromatic hydrocarbons (PAHs) such as benzo(a)pyrene contaminate the indoor environment in which infants spend most of their time. Major sources of PAHs compounds in indoor air include emissions from residential heating (e.g., coal or wood stoves, fireplaces, kerosene heaters), unvented gas appliances, environmental tobacco smoke (ETS), and fumes from cooking, grilling, and frying [1–4]. In addition, major outdoor sources of PAHs emissions, such as car fumes and power plants, increase PAHs concentrations in outdoor air, and affect their levels indoors.
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