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发表时间：2012-01-01

发表刊物：环境科学学报

所属单位：教务处

卷号：32

期号：9

页面范围：2310-2318

ISSN号：0253-2468

摘要：In order to assess the environmental risk for accidental emissions from the chemical industry effectively,it is necessary to establish a reasonable criteria system for risk assessment.Currently IDLH and LC50 thresholds criteria are used for assessing chemical accident in China.Compared with the criteria abroad,such as AEGLs,ERPGs,TEELs and AETLs,the existing criteria of IDLH and LC50 thresholds are not very rational.It is suggested that the standard can be prioritized as follows,1）AEGLs;2）ERPGs;3）TEELs;and 4）LC50 and IDLH.A case study is carried out to compare the effects of these criteria.The result shows that AEGLs,ERPGs and TEELs are more reasonable than that of the existing criteria used in China to evaluate the impact of accidental events.

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