Follow Labeling Requirements. All chemicals must be properly labeled using the Hazardous Materials Identification System, which contains four colors and a number.

Marking Systems & Other ID Tools These make it easier for responders to identify hazardous substances and their potential hazards. By Tricia S. Hodkiewicz Dec 01, 2005 EMERGENCY responders have ...

The following two tables provide a summary of the hazard classes and associated hazard category ratings. The hazard rating scheme required by the HCS is in contrast to the commonly used National Fire ...

Steven Andrews, (202) 366-8553, Office of Hazardous Materials Standards, Pipeline and Hazardous Materials Safety Administration, U.S. Department of Transportation, 1200 New Jersey Avenue SE., ...