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1、UNIT FOURTEEN,HAZARDOUS CHEMICAL AND ITS IDENTICATION,句子分析,The Occupational Safety and Health Administration (OSHA) defines a hazardous chemical as any chemical which is a physical hazard or a health hazard.,Health hazard means a chemical for which there is evidence that acute (immediate) or chronic
2、 (delayed) health effects may occur in over-exposed people.,Although safety hazards related to the physical characteristics of a chemical can be objectively defined in terms of testing requirements (e.g. flammability), health hazards definitions are less precise and more subjective. Physical hazards
3、 may manifest as fires, explosions, excessive temperatures, or the release of large volumes of gas or toxic or flammable gases or vapors.,Although they are individual accidents, different in the way in which they happened and the chemicals that were involved, they have one common feature: they were
4、uncontrolled, involving fires, explosions or the release of toxic substances that either resulted in the death and injury of large numbers of people inside and outside of the factory or caused extensive damage to the property and the environment,If the cloud were ignited, the effects of combustion w
5、ould depend on many factors, such as wind speed and the extent to which the cloud was diluted.,An industrial accident classified as a major hazard leads to tighter control, more specific than that applied in the normal factory operations.,安全术语,危险化学品 重大危险源 重大工业灾害 有毒气体 有害气体 有毒物质,科技应用文的译法,常用词语及其译法,一、说明书,常用句型及其译法,常用词语及其译法,二、合同,常用句型及其译法,常用词语及其译法,三、协议,常用句型及其译法,
