What is a locked plane of exposure to Arsenic?

What is considered a safe level of exposure when the arsenic is applied to the skin of a healthy mature. I know there are figures for ingestion LD50 and respiration LC50 but I dont know where to find what it does when applied topically.

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Answers:

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Sorry, not sure. Arsenic within water is not easily absorbed through intact skin.

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I don't know but why don't you make a study, get some liberal democrats to be your guinea pigs.

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