Table 2. Inactivation of Geobacillus stearothermophilus endospores inoculated onto the internal and external surfaces of 8210 N95 masks then passed through the gAOP process on a fully loaded tray (S5 Fig).

			Samples	Log CFU/ml
		N95 Mask	Inoculum	7.02±0.03
			Control	Log CFU/mask
			External	6.08±0.12
			Internal	6.04±0.16
	Inside/Outside Mask	Inoculation Area	Log CFU/section (Negative/Positive by Enrichment)	Log Reduction
Holder Position 1	Outside	A	Negative	6.08
		B	Negative	6.08
		C	Negative	6.08
	Inside	D	Negative	6.04
		E	Negative	6.04
		F	Negative	6.04
Holder Position 2	Outside	A	Negative	6.08
		B	Negative	6.08
		C	Negative	6.08
	Inside	D	Negative	6.04
		E	Negative	6.04
		F	Negative	6.04
Holder Position 3	Outside	A	Negative	6.08
		B	Negative	6.08
		C	Negative	6.08
	Inside	D	Negative	6.04
		E	Negative	6.04
		F	Negative	6.04
Holder Position 4	Outside	A	Negative	6.08
		B	Negative	6.08
		C	Negative	6.08
	Inside	D	Negative	6.04
		E	Negative	6.04
		F	Negative	6.04
Holder Position 5	Outside	A	Negative	6.08
		B	Negative	6.08
		C	Negative	6.08
	Inside	D	Negative	6.04
		E	Negative	6.04
		F	Negative	6.04
Holder Position 6	Outside	A	Negative	6.08
		B	Negative	6.08
		C	Negative	6.08
	Inside	D	Negative	6.04
		E	Negative	6.04
		F	Negative	6.04

Inoculation sites (A, B, C) are the exterior surface of the N95 mask with D, E and F being on the internal surface (S5 Fig).