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. Author manuscript; available in PMC: 2023 Jan 15.

Published in final edited form as: J Hazard Mater. 2021 Aug 5;422:126832. doi: 10.1016/j.jhazmat.2021.126832

Figure 3. — Schematic of bathroom model with the location of the sink, toilet, and bathroom exhaust fan noted: (A) non-ventilation condition (exhaust fan off) and (B) ventilation condition (exhaust fan on). The diagram is a single-cell CSTR model; the arrows represent the airflow pathways. Supply and return vents for a home mechanical HVAC system are not considered.

Figure 3. — Schematic of bathroom model with the location of the sink, toilet, and bathroom exhaust fan noted: (A) non-ventilation condition (exhaust fan off) and (B) ventilation condition (exhaust fan on). The diagram is a single-cell CSTR model; the arrows represent the airflow pathways. Supply and return vents for a home mechanical HVAC system are not considered.