Delimitation of the theoretical areas of impact in the event of a major accident in an industrial facility handling hazardous substances and which is affected by the high level of severe accident regulations.

It represents the approximate route of the gas pipelines (transport of natural gas).

Delimitation of the security band with control of compatible vulnerable elements (no residential use and public concurrence, except for compatible industrial uses) based on the zone of limit effects or extremes outside, that is, this area includes the area where the consequences about the population or vulnerable elements are especially significant due to the special intensity of the effects of the emergency.

Location of the facilities that appear in the Plaseqcat and manipulate dangerous substances.

It delimits the security strip with control of compatible vulnerable elements (not residential or public concurrence except compatible industrial uses and other exceptions) to ensure the capacity of application of self-protection measures by the population based on the proximity of the population to Focus of the emergency, response time and possible effects.

Polygons which define the range of sound corresponding to the alarms. In accordance with each type of alarm, the sound radius covered can be 800 or 400 metres away from the siren, or maybe unidirectional, covering a distance of 700 m with a 70º opening.

It represents the aproximate route of the ethylene pipelines.

Identification of the municipalities through which the gas pipeline passes in the operational phase.

Delimitation of the perimeter of industrial facilities included in Plaseqcat which handle dangerous substances.

Location of alarms to warn the population if there is a chemical risk in the case of an accident in premises nearby.