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饮水安全是涉及人体健康的重要公共卫生问题,特别是我国中西部水资源短缺,饮水安全是民生关注的焦点之一。长期暴露高砷饮用水导致的健康危害在学术界及公共卫生领域已经得到确证,可引发周围血管疾病、肺疾病和神经系统病变,并可以增加罹患心血管疾病、皮肤病变及内脏肿瘤的风险。因此,世界卫生组织、欧盟和许多国家已确立新的饮水砷卫生标准上限,从0.05 mg/L下调为0.01 mg/L。2006年,我国已开始执行新的饮水砷卫生标准0.01 mg/L(GB 5749-2006)。然而将饮水砷卫生标准从0.05 mg/L调
Drinking water safety is an important public health problem involving human health. Especially the shortage of water resources in central and western China and drinking water safety are one of the focuses of people’s livelihood. The health risks of long-term exposure to high-arsenic drinking water have been proven in academia and public health to trigger peripheral vascular disease, lung disease and neurological disease and to increase the risk of cardiovascular disease, skin lesions and visceral tumors. Therefore, the World Health Organization, the European Union and many countries have established a new upper limit for arsenic levels in drinking water, down from 0.05 mg / L to 0.01 mg / L. In 2006, China started to implement the new drinking water arsenic health standard 0.01 mg / L (GB 5749-2006). However, drinking water arsenic health standards from 0.05 mg / L transfer