上海市自来水中铀浓度调查

Investigation on Uranium Concentration in Tap-water of Shanghai

测定自来水中铀浓度及其变化规律,对评估饮用水质量及公众接受的铀放射性内照射水平有较大意义。该文介绍了经过一年连续监测所获得的上海市自来水中铀浓度及其变化。结果表明,上海市自来水中铀浓度在0.025～0.248μg/L之间,年均值为0.112μg/L;一年中的12月～5月浓度较高,6～11月浓度略低,其中3月份浓度最高,8月份浓度最低。上海市自来水中铀浓度较低,比全国平均浓度低一个数量级。

Measurement of uranium concentration and study on annual variation of uranium concentration in tap-water are valuabe for estimating the quality of drinking water and associated with radioactive inner exposure to population. This paper presented the annual variation of uranium concentration in tap-water of Shanghai over a specific year. The result showed that uranium concentration in tap-water of Shanghai was between 0.025 - 0.248 μg/ L,the average value of the year was 0.112 μg/L. The value was higher from December to the next May, and was lower from June to November, the highest value appeared in March, while the lowest in August. Compared with the national level, it is one magnitude lower than the national average level.