Standard guide for techniques to separate and identify contaminants in recycled plastics 再生塑料中污染物分离及鉴别技术的标准导则
2.
Standard practice for separation of contaminants in polymers using an extruder filter test 用挤压机滤膜试验对聚合物内污染物分离的标准操作规程
3.
Facility has identified all potentially harmful air emissions and their sources and is equipped with cleaning / scrubbing devices to remove pollutants before release into the atmosphere 工厂有鉴别所有排放的有害气体，找到他们的来源，并且有配备了空气净化装置在这些有害气体进入大气之前把其中的污染物分离出去。
