有毒有害物质（Hazardous Chemicals）是指在其生产、使用或处置的任何阶段中，具有会对人、其他生物或环境带来潜在危害特性的物质。
施用农药、化肥等农业投入品及进行灌溉，应当采取措施，防止重金属和其他有毒有害物质污染环境。
When conducting pesticides, chemical fertilizers and other cultivating additions or irrigating, measures shall be taken to prevent pollution from heavy metals and other toxic and hazardous substances.
设计、生产、销售以及进口过程中，标注有毒、有害物质或元素名称及其含量，标注电子信息产品环保使用期限等措施；
During design, manufacture, selling and import, to mark or declare the names and value of the poisonous and harmful substances or elements, and its time limit for environmental concerning.
电子信息产品污染控制，是指为减少或消除电子信息产品中含有的有毒、有害物质或元素而采取的下列措施。
The Control of the Pollution of electronic products is the following methods aims to decrease and avoid the poisonous and harmful substances or elements contained in electronic products.
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