Emergency planning and the Control of Major Accident Hazards (COMAH/Seveso II) Directive: an approach to determine the public safety zone for toxic cloud releases.

The EU Control of Major Accidents Hazards Directive (Seveso II) requires an external emergency plan for each top tier site. This paper sets out a method to build the protection of public health into emergency planning for Seveso sites in the EU. The method involves the review of Seveso site details prescribed under the directive.