According the comparison of traditional environmental impact assessment between environmental risk, the characteristics and applications were concluded, and realistic difficulties including the potential and uncertainty of risk source, the lack of basic research, and the incompleteness of criterion system were discussed. The proposal of improve- ment was raised, including the share of information and achievement, people oriented, and the enhancement of post - assessment.%通过与传统环境影响评价的对比,总结了环境风险评价的工作特点及实施方法,有针对性地探讨了目前环境风险评价工作面临的实际问题,包括源项的潜在性和不确定性、基础研究的不足以及标准体系的不完备,提出了加强信息及成果的共享、密切关注人员要素、强化后评价等改进建议。
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