Release Analysis Viewer (RAV) Tool

Chicago, IL - Region V


Site Contact:

Kushal Som
Site Admin

77 West Jackson Blvd.
Chicago, IL 60604

The Release Analysis Viewer (RAV) Tool is a Geographic Information System (GIS) application providing contingency planners and emergency responders with accurate and relevant information for spill preparedness and response. The application contains ISA data available in the ISA website on in addition to detailed toxic release inventory (TRI) data, EJS Screen Indices, and a breakdown of previous land, air, and water releases broken down by county and watershed. This tool provides the ability to add ALOHA plume models and identify critical infrastructure residing within them.

During an emergency response, Federal and State On-Scene Coordinators (OSCs) may use the program to gain situational awareness of downstream/downwind vulnerabilities, as well as upstream/upwind potential responsible parties and much more. For contingency planning, the project can introduce facilities to the communities which may be impacted during a hazardous materials and/or petroleum releases.

To access this resource, please

Register Your Account Here First!

NOTE: If you have registered for any other sites on, skip to steps 2-3. If you have never accessed a resource on, you will be redirected to your profile page on your first login attempt. Simply go back in your browser and click the link again.

  • 1. After pressing the button on the previous page, go to your Inbox and check for an email message from to confirm your account by following the link provided in that message. You have 48 hours to do this!.
  • 2. Then, send an email message with your request to Kushal Som ( and provide a description of why you want access to this resource, including your first name, last name, email address, organization, and phone number.
  • 3. Once you receive communication from Kushal Som (, return to this Web page, and click the button below to open the map.



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