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环境化学  2015 

吉林松花江沿岸土壤中有机氯农药残留特征及健康风险评价

Keywords: 有机氯农药,残留特征,健康风险,吉林市

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Abstract:

选用GC/ECD分析吉林市松花江两岸土壤中17种有机氯农药(OCPs)残留情况,并探讨该区土壤中OCPs的残留特征及其可能的健康风险.研究结果表明,17种OCPs均有不同程度的检出,含量较高的组分为六六六(HCHs)、滴滴涕(DDTs)和七氯,总有机氯农药含量为133.15-1263.80ng·g-1.研究区OCPs的来源解析表明,OCPs主要来自于早期农药的残留及林丹的使用.利用健康风险评价模型对土壤中HCHs、DDTs健康风险进行评价,目前研究区土壤中HCHs、DDTs类污染物对人体健康的风险处于较低水平.

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