What is the purpose of the contingency plan and how do I use it?

What is the purpose of the contingency plan and how do I use it?. (1) You shall have a contingency plan for your facility. Design the plan to minimize hazards to human health or the environment from fires, explosions, or any unplanned sudden or non-sudden release of hazardous waste or hazardous waste constituents to air, soil, or surface water. (2) Implement the provisions of the plan immediately whenever there is a fire, explosion, or release of hazardous waste or hazardous waste constituents which could threaten human health or the environment.