In addition to human activities such as use of agricultural pesticides, chemicals, coal-fired power plants, smelting, and mining, most of the As flux comes through natural sources including volcanic action, forest fires, erosion of rocks, and low-temperature volatilization (Neumann et al., 2010)
doi:10.1002/jor.20096 Cerovecki T, Bojanic I, Brcic L, Radic B, Vukoja I, Seiwerth S, Sikiric P
A new alternative method for testing skin irritation using a human skin model: A pilot study
Are there any hidden or additional costs I should be aware of

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