Arsenic Levels in Hair and Urine Before and After Water Supply Improved in Endemic Arsenism Areas in Xinjiang / 环境与健康杂志

ABSTRACT

Objective To know the effect of water supply improvement on prevention and control of the endemic arsenism. Methods 35 residents aged 45-65 years (21 male, 14 female) in a high arsenic area were selected for determination of urine arsenic, 21 residents aged 45-65 years (14 male, 7 female) in another high arsenic area for determination of hair arsenic and the residents in the control area were also selected. Results 16 years after the water supply improved (concentration of arsenic