||Arsenic Levels in Human Blood, Urine, and Hair in Response to Exposure via Drinking Water.
Valentine, Jane L. ;
Kang, Han K. ;
Spivey, Gary ;
||California Univ., Los Angeles. School of Public Health.;Health Effects Research Lab., Research Triangle Park, NC.
Potable water ;
Drinking water ;
Toxic substances ;
Water pollution effects(Humans)
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Five communities with water supplies having arsenic concentrations of 6, 51, 98, 123 and 393 micrograms/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. The authors conclude that arsenic levels in water at concentrations of 100 micrograms/liter or less seem not to produce an undue body burden.