Case Study on Risk Evaluation of Silver Nanoparticle Exposure from Antibacterial Sprays Containing Silver Nanoparticles

Table 2

Dermal exposure to Ag concentrations.

Company		Sampling	Ag conc.	No clothing (g/kg/day)	MOE	Single layer clothing (g/kg/day)	MOE
(Mean ± SD)		Time (min)	(g/cm^2/min)
Company A	4	25		3	333,333	2	500,000
	4	25
	4	25
Company B	3	25		8	125,000	4	250,000
	4	25
Company B.1	4	25		100	10,000	50	20,000

Number of sample; spraying of whole can (10 min); spraying of air conditioner (15 sec spraying, 10 min drying, 15 min use). MOE = NOAEL/exposure concentration; NOAEL = 2000 mg/kg [6].