Color Icon Technological Risk Management:
The XENVIS information system

XENVIS offers a national level GIS with linked data bases for risk objects like Seveso-class chemical process plants; a hazardous chemicals data base is linked to the plant's safety audits and risk evaluations. Models for transportation route selection, tracing spills into surface water systems, and continuous and accidental atmospheric releases support the risk assessment.

Model input parameters are loaded automatically from the data bases where feasible, and accident scenarios can be designed interactively be the user with the help of a rule-based expert system.

Assessment Models

In addition to its coupling to the SAFETI package, XENVIS integrates assessment models for atmospheric dispersion of hazardous substances for both accidental, instantaneous releases as well as continuous, operational release scenarios.

The accidental release model offers interactive site selection and accident scenario definition; chemical substance parameters are loaded from the hazardous chemicals data base; and the dynamic model output is shown as an animated map overlay.

An interactive Java Demo illustrates the emergency response model integrated in XENVIS.

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