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What is the best sample to collect for measuring arsenic exposure?

April 26, 2017arsenic best collect exposure measuring sample

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What is the best sample to collect for measuring arsenic exposure?

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A. Urine is generally considered to be the best sample to measure exposure to arsenic. Hair samples can provide an indication of long-term exposure, but results may be difficult to interpret. Because arsenic is cleared from the bloodstream very quickly, blood is generally NOT a suitable sample.