Abstract
Five communities with water supplies having arsenic concentrations of 6, 51, 98, 123, and 393 μg/liter were selected for study. Samples of blood, hair, urine, and tap water were obtained from participants in each community and analyzed for arsenic content. Results showed an increase in arsenic concentration for urine and hair samples as the water arsenic concentrations increased. Arsenic levels in blood did not show this trend until chronic toxicity was expected. We conclude that arsenic levels in water at concentrations of 100 μg/liter or less seem not to produce an undue body burden.
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