Table 1.

Analysis of contaminated sites in pollutant simulation test

Contaminated sites	Number of people contaminated	Proportion of pollution (%)
Upper chest	21	45.7
Bare hands	20	43.5
Anterior chest	15	32.6
Upper limbs	6	13.0
Inner surface of protective gowns	6	13.0
Lower limbs	5	10.9
The face	2	4.3
The back	1	2.2