First responders in general, and HAZMAT units in particular, must make many decisions quickly in handling hazardous-materials incidents. They need accurate information about the hazardous substances, the emergency resources available, and the surrounding environmental conditions to save lives and minimize the impact on the environment and physical property. The WISER application extracts content from TOXNET's Hazardous Substances Data Bank (HSDB), an authoritative, peer-reviewed information resource maintained by the National Library of Medicine, and places that information into the hands of those who need it