In general, three kinds of risks are identified for the Seveso sites:
- The fire risk: following the inflammation of products, a fire can lead to considerable heat flows and can cause burns and suffocation;
- The explosion risk: can be caused by a mix between specific products and others, by the sudden release of gas of the release of explosive products. It can cause burns or wounds by the projection of splinters;
- The toxic pollution risk: a toxic pollution due to the spread of dangerous substances in the air, water or ground can cause nausea or intoxications. The intoxications due to the dangerous substances can be toxic for the body if they are inhaled, swallowed or touched.
Those risks can occur during accidents caused by solid, liquid or gaseous products, and they are apparent through various phenomena.