Emergency Management

​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.

WISER is a system designed to assist emergency responders in hazardous material incidents. WISER provides a wide range of information on hazardous substances, including substance identification support, physical characteristics, human health information, and containment and suppression advice. To get started, visit the website.

CHEMTREC®--The 24-Hour HAZMAT Communications Center 1-800-262-8200

WebWISER logo

Report oil or chemical spills to the National Response Center: 1-800-424-8802

Emergency Response Guidebook
The U.S. Department of Transportation's Pipeline and Hazardous Materials Safety Administration (PHMSA) has released the 2020 version of its Emergency Response Guidebook (ERG): "A guidebook intended for use by first responders during the initial phase of a transportation incident involving dangerous goods/hazardous materials.         


PHMSA has also partnered with the National Library of Medicine to provide a free Smartphone version of the ERG in its Wireless Information System for Emergency Responders.
2020 ERG Download Version


The Pipeline and Hazardous Materials Safety Administration has developed a free, mobile web application available for Apple and Android:
Mobile Applications.

A How to Use" instructional video for using the ERG:
Pipeline and Hazardous Materials Safety Administration Video

​Hazardous Materials

United States Department of Labor's Occupational Safety and Health Administration

The United States Department of Labor's Occupational Safety and Health Administration has provided two resources to assist companies with keeping their workers safe.

Transitioning to Safer Chemicals:

A Toolkit for Employers and Workers
By using this
toolkit, businesses can improve worker well-being through eliminating or reducing hazardous chemicals, while creating other benefits, including: Cost Savings, Efficiency, Industry Leadership, and Corporate Stewardship. This toolkit can be used by all types of businesses and workers.

Annotated Permissible Exposure Limits
Enables employers to voluntarily adopt newer, more protective workplace exposure limits. The easily accessible reference source for up-to-date workplace exposure limits can be found
(Source: www.osha.gov)

CHEMTREC® is a 24/7/365 emergency call center that provides immediate information and assistance to anyone involved in a hazardous materials incident. It is staffed with emergency service specialists who can provide access to hazmat experts, chemists, physicians, and toxicologists, as well as millions of Material Safety Data Sheets.

Visit the CHEMTREC®
Website for additional information.

CHEMTREC videos for emergency responders:
Video 1:
An Overview of CHEMTREC®
Video 2:
How CHEMTREC® Helps First Responders
Video 3:
What's Being Said About CHEMTREC®