New Release - Windows and iPad Software Version 4.4 Out Now! - Friday, October 21, 2016

An updated version of the Windows and iPad software is now available. The new version includes 300+ new chemicals, canister life estimation, firefighter guidance, volume calculator, and additions to scenario specific tools. The software is only available to approved users so please Register today.

New Web Based Training - Friday, October 21, 2016

Training materials for the features and tools of ERDSS are now available for registered users. The training is only available to approved users so please Register today.


The Emergency Response Decision Support System (ERDSS) provides first responders with decision support for hazardous environments contaminated with chemical agents. This software tool, which operates on Windows and iOS, is provided free-of-charge to the military, law enforcement, and fire departments.
Features include:
  • Detailed information on 2,000 common chemicals and synonyms
  • Personal Protective Equipment (PPE) including respirators
  • Hazardous Concentration Levels and Exposure Guidelines
  • Isolation and Protective Action Distances
  • ERG and Emergency Medical Information
  • Identify unknown chemicals using physical properties or exposure symptoms
  • Decision Support Tools and more...
  • The Android version is currently being tested and will be released in 2016.

Development Team