As of February 28th, 2023, NLM has discontinued the Wireless Information System for Emergency Responders (WISER). Users who have downloaded and installed the WISER app on a mobile device or downloaded the WISER system to a desktop computer will still have access, although the data will no longer be updated.

Similar functionality and information are available from other publicly available resources, including:

• Chemical Companion (https://www.chemicalcompanion.org/), also known as Emergency Response Decision Support System (ERDSS), which is available as both a tablet app and downloadable software
• Administration for Strategic Preparedness and Response’s (ASPR) Chemical Hazards Emergency Medical Management (CHEMM - https://chemm.hhs.gov/), available as downloadable software
• ASPR’s Radiation Emergency Medical Management (REMM - https://remm.hhs.gov/), available as a mobile application
• Department of Transportation’s (DOT) Pipeline and Hazardous Materials Safety Administration Emergency Response Guidebook (https://www.phmsa.dot.gov/training/hazmat/erg/emergency-response-guidebook-erg), available as a downloadable document and a mobile application
• National Oceanic and Atmospheric Administration’s CAMEO Chemicals (https://response.restoration.noaa.gov/cameochemicals), available as a mobile application and downloadable software

Please refer to NLM’s Technical Bulletin for additional resources.

Last Reviewed: February 28, 2023