北京市七六年十种食品中有机氯农药残留量调查情况北京市卫生防疫站七六年检验的样品中,符合国家标准的占88%。七六年的检验结果同近年所做部分食品残留结果比较:粮食、蔬菜、水产等食品有明显下降,特别是粮食中的总有机氯下降近一倍;乳、蛋、水果等食品较七五年偏高,这说明有机氯农药在环境中残留的时间 Survey of Organochlorine Pesticide Residues in 10 Foods in Beijing in 1976 Six of the samples examined by the Beijing Health and Anti-epidemic Station in Beijing for the past sixty-six years, accounting for 88% of the national standards. Compared with the results of some food residues made in recent years, the results of the tests in 1976 reveal a marked decrease in the foodstuffs such as grain, vegetables and aquatic products, especially the total organic chlorine in food nearly doubled; the foodstuffs such as milk, eggs and fruits are 75% High year, indicating that the organochlorine pesticide residues in the environment time