The ZIF (defenceless zone) is defined as the minimum security zone necessary to guarantee the viability of self-protection of vulnerable elements in the context of an accident in the transport of dangerous goods. The extension of this zone is conditioned by the necessary response time and the intensity of the effects of foreseeable accidents. The distances of the ZIF for the scenarios of long-range toxic cloud, short-range toxic cloud, serious explosion, flammable cloud and puddle fire are established in "The Technical Instruction of the DGPC regarding the preparation of reports on the conditions minimum requirements that new urban developments must comply with to be located within the identified chemical risk zones due to the transport of dangerous goods by road and rail" (ITMMPP).

Seismic intensity (MSK scale) that can be expected for a return period of 500 years

Identification of the municipalities through which the ethylene pipeline passes.

It represents the time of avenue or arrival of the floods from sectorizations of the fluvial courses.

Thematic coverage of the municipalities of Catalonia in which the obligation or recommendation of the municipality to draw up the Municipal Action Plan (PAM) for emergency risk due to pandemic is represented, as well as the plan's current status.

Points where flooding frequently affects.

Planning areas included in the nuclear emergency plan outside the Ascó and Vandellòs nuclear power plants (Tarragona) PENTA 2009.