Packages that contain category B substances must exhibit these markings and labels:
Proper Shipping Name
Package Mark (UN 3373 Label)
The emergency contact must be available during regular business hours. Placing this information on the package is optional with category B substances. The information may instead be provided on the air waybill. The person designated as the emergency contact must be:
- Knowledgeable of package contents
- Available during business hours of the employer
- Able to provide emergency response information to prevent an incident
