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1 前言根据农药手册,目前世界上正在使用的农药有700多种。大约600种农药是过去使用的,但现在已经禁用或不再销售。有一些农药早已不再使用,但它们仍然存在于环境中,还可能在植物和动物体内生物富集。在食品和饮料、在土壤、水和大气、在水生和陆生的动植物、在人类血液、脂肪组织和乳汁中,都能检测到痕量的农药或它们的代谢物。世界卫生组织根据农药对人的急性毒性将农药分成5类。所分成的类别从“有急性毒性”到那些“正常使用时没有急
1 Introduction According to the Pesticide Manual, there are over 700 kinds of pesticides currently used in the world. About 600 pesticides were used in the past, but are now either banned or no longer sold. Some pesticides are no longer used, but they are still present in the environment and may bioaccumulate in plants and animals. Trace amounts of pesticides or their metabolites can be detected in food and beverages, in soil, water and the atmosphere, in aquatic and terrestrial animals and plants, in human blood, adipose tissue, and milk. WHO classifies pesticides into five categories based on their acute toxicity to humans. Divided into categories from ”acute toxicity“ to ”those" normal use no urgency