三防止油、废油、废（污）水、废弃物、残馀物及有害物质排洩入海。
Prevent the emission into the sea of oils, waste oils, wastewater or sewage, waste, residue and hazardous substances.
环保性：通过北京市疾病预防控制中心及国家建筑材料工业放射性及有害物质监督检测达到绿色环保产品标准。
Green: through the Beijing Disease Prevention and Control Center and the national industrial radioactive materials and hazardous material detection monitoring products to green standards.
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.
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