Elevator Ventilation and SARS-CoV-2-Relevant Particulate Matter Removal in Three Older California Elevators

Table 1

Characteristics of elevators sampled in the San Francisco Bay Area.

Elevator #	Decade of manufacture	Number of floors	Elevator volume (m^3)	Elevator floor area (m^2)	Open-door dimensions (m^2)	Maximum passenger capacity	Wall characteristics
1	1940s	4	7.19	2.89	2.28	16	Stainless steel
2	1960s	8	6.37	2.83	2.28	20	Carpeted
3	1980s	3	9.66	3.27	2.93	23	Carpeted