Concerning the population affected by the accidents occurred in Spain, in 29% of the cases there were no fatalities, in 63% between none to ten fatalities, in 6% between 10 and 100 and only 2% registered more than 100 deaths. Concerning the injured people, again the category with higher probability was the one of none to ten injuries (45% of the cases). In most of the cases there were very few people evacuated. Just in the case of an accident occurred in Galicia in 1987, 20,000 people were evacuated.