2007年深圳市蔬菜农药残留情况分析

2007年1～12月选取深圳市6个区中的30家超市、28家农贸,在每个超市农贸中抽取10个蔬菜样品,共选取6 551份样品,然后采用农药快速检测方法结合气相色谱和气质联用法测定其中的24种农药残留。结果表明,2007年蔬菜农药检出率与超标率为5.31%和2.99%,分别比2006年下降1.93%和1.24%。说明2007年的蔬菜农药残留比2006年有明显下降;引起蔬菜农药超标的主要原因是有机磷农药残留,高毒农药的使用有所下降,菊酯类农药引起的超标情况有所上升,应有针对性的加强监督管理。

Investigation and analysis on pesticide residues in vegetables from Shenzhen city in 2007

Random sampling 10 samples in each market each month in 2007;Rapid testing method combined with gas chromatography and gas chromatography mass spectrometry were adopted to test residues of 24 kinds of agrochemicals such as organic Phosphorus,organic Chlorine and Dalmatian Chrysanthemum Ester remaining on vegetables from 30 free markets and 28 wholesale markets of 6 region in Shenzhen.Total testing 6551 samples in 2007,detection rate and exceeding rate of pesticide residue in the vegetables were 5.31% and 2.99%,which drop 1.93% and 1.24% compared in 2006 respectively.The phenomenon of pesticide residues in the vegetables in 2007 had the obvious drop compared to that in 2006.The reasons of causing pesticide residues in the vegetables over the standard was organic phosphorus residue,while the use of the high poisonous pesticide had dropped,the use of the chrysanthemum ester pesticide had raised.The supervision should be strengthened and managed through target-oriented.