特大事故应急处理预案是指政府或企业为减少事故后果而预先制定的抢险救灾方案，是进行事故救援活动的行动指南。 特大事故应急处理预案的目的主要有以下两个： （１）使任何可能引起的紧急情况不扩大，并尽可能地排除它们； （２）减少特大事故造成的人员伤亡和财产损失及对环 Emergency response plan for a major accident means that the government or a company plans to work out a disaster relief plan in advance to reduce the consequences of an accident and is a guide for carrying out an accident rescue operation. The purpose of the emergency response plan for major accidents is mainly to do the following two things: (1) to prevent any possible emergency from expanding and to exclude them as much as possible; (2) to reduce the casualties and property losses caused by catastrophic accidents;