Table 4.

Globally environmental and economic impact of the use of COVID-19 face masks by the general population.

	Surgical	KN95	FFP2	Reusable	Filters
Mean weight (g)	2.544	4.011	3.277	6.980	1.253
Number of applications	1	1	2	50	1
Wastes (tonnes/year)	3.99 E6	6.30 E6	2.57 E6	0.22 E6	1.97 E6
Mean OPE level (ng/mask)*	237	11,618	363	680	771
OPEs dispersed (Kg/year)	372	18,234	285	21.3	1210
Price (€/mask)	0.62	2.18	2.40	11	1.05
Economic cost (€/person and year)	226	796	438	80.3	383

^*Mean OPE level refers to sum of all analytes detected in the mask.