ICI/MOND Fire Explosion Toxicity Index should be recommended given that the main substances of the unit are of great toxicity and concrete evaluation on the harmfulness of the toxicity is necessary.

• 如果单元主要危险物质具有较大的毒性,并且要求对毒性的危害有较具体的评价时,应选用蒙德法对其进行安全评价。