Inderscience Publishers

Winter exposure assessment of copper, zinc and arsenic in drinking water of inhabitants in Beijing, China

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Human exposure to Cu, Zn and As from drinking water in Beijing, China was estimated in winter. Cu, Zn and As were detected at 6.1, 400 and 0.6 µg/L on average in stagnant water, significantly different from those in the actually ingested boiled tap water, 5.1, 130 and 2.4 µg/L, respectively. Daily intake of Cu, Zn and As from drinking water was 0.8%, 7.7% and 28.5% of the minimum for adults recommended by WHO and varied among different age groups, as the highest occurred in the 64-year-old group, followed by the 20-64-year-old group.

Keywords: human exposure, exposure assessment, winter exposure, drinking water, heavy metals, copper, zinc, arsenic, water pollution, water quality, Beijing, China

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