2002-2008年北京市顺义区农作物铅污染监测与危害分析

目的掌握北京市顺义区农作物铅污染的现状。方法2002—2008年在全区范围内抽检各类农作物包括粮食、蔬菜、水果,进行金属铅的污染监测工作。结果获得监测数据404个,对照相关指标,农作物总体合格率为96.78%,其中豆类合格率最低为77.78%。铅对鲜食用菌和菜的污染较为严重,而蔬菜和水果中铅的蓄积情况好于粮食。结论顺义区农作物尤其是粮食作物的铅污染问题应该引起重视。

Monitoring and Risk Assessment of Lead Contamination of Crops in Shunyi District of Beijing City during 2002-2008

Objective] To understand the status of lead contamination of crops in Shunyi District. Methods ] The scope of sampling including grain, vegetables, fruits were conduct lead pollution monitoring in Shunyi District from 2002 to 2008. Results ] About 404 records of monitoring data were obtained. The rate of qualified samples was 96.78% according to relevant indicators, among which the minimum qualified rate of legume was only 77.78%. Lead pollution in vegetables and fresh mushroom was serious; while the accumulation of lead in vegetables and fruits was better than grain. Conclusion]The lead contamination of crop in Shunyi District, especially of grain should attract attention.