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目的评价松花江吉林同江段水源水中邻苯二甲酸酯类(PAEs)有机污染物对人群产生的潜在健康风险。方法对松花江吉林-同江段水源水8个采样点水质进行采样,采用气相色谱-质谱联用技术(GC-MS)进行定量分析,应用美国环境保护局(USEPA)的健康风险评价方法,对PAEs有机污染物通过饮水和皮肤接触2种途径进入人体的健康风险进行了风险计算和初步评价。结果 (1)松花江吉林-同江段水源水中PAEs的非致癌风险均<1,按照采样点中PAEs的健康总风险分析:依兰>三岔口>同江>佳木斯,其中位于依兰县段水源水中的邻苯二甲酸二丁酯(DBP)非致癌风险指数值高于其他采样点,风险值为6.27×10-3。(2)饮水是水源水中PAEs有机污染物危害人体健康的主要途径,其对人体健康总风险大于洗浴皮肤暴露。结论初步认为目前松花江吉林-同江段水源水中PAEs有机污染物不会对人体产生明显的健康危害,但PAEs物质对人体健康的潜在威胁不能被忽视,应引起相应管理部门的重视。
Objective To evaluate the potential health risks of organic pollutants (PAEs) in drinking water of Tonghua section of Songhua River in Jilin Province. Methods The water quality of 8 sampling points in Jilin-Dongjiang section of Songhua River was sampled and analyzed by gas chromatography-mass spectrometry (GC-MS). The health risk assessment method of USEPA was applied. The risk assessment and preliminary assessment of the health risks of PAEs entering human body through drinking water and skin contact were conducted. Results (1) The non-carcinogenic risk of PAEs in the source water of Jilin-Tongjiang section of Songhua River was <1, according to the total health risk analysis of PAEs in sampling sites: Yilan> Sanchakou> Tongjiang> Jiamusi, The non-carcinogenic risk index for dibutyl phthalate (DBP) in tap water is higher than other sampling points with a risk of 6.27 × 10-3. (2) Drinking water is the main way that organic pollutants of PAEs in water and water endanger human health. The total risk to human health is greater than that of bathing skin. Conclusion The preliminary conclusion is that PAEs in the source water of Jilin-Tongjiang section of Songhua River will not cause any significant health hazard to human beings at present, but the potential threat to human health from PAEs can not be neglected and should be paid more attention by the corresponding management departments.