Table 1.

Key parameters for different cases studied.

Case	Spaces	Airflow direction	Flow rate (m3/s)	Ventilation rate (ACH)	Dimension (m3)	Inter-vention	Particle source
1	Elevator	In	0.165	72	2.00 × 1.65 × 2.50	None	Breathing
2	Elevator	In	0.165	72	2.00 × 1.65 × 2.50	None	Coughing
3	Elevator	In	0.071	31	2.00 × 1.65 × 2.50	None	Breathing
4	Elevator	In	0.026	11	2.00 × 1.65 × 2.50	None	Breathing
5	Elevator	Infiltration	0.017	7	2.00 × 1.65 × 2.50	None	Breathing
6	Elevator	Out	0.165	72	2.00 × 1.65 × 2.50	None	Breathing
7a	Elevator	In	0.026	23.6	1.10 × 1.80 × 2.00	None	Breathing

^aThe cab with 2.00 × 1.65 × 2.50 m³ had 1600 kg capacity and the cab with 1.10 × 1.80 × 2.00 m³ had 1000 kg capacity.