properly marked. Within that system, all HM must be
labeled in one of the following ways:
The original manufacturers label or an exact
copy of the manufacturers label, or
For National Stock Number material, the
original stock system container label or an exact
copy of the stock system label, or
Standard DOD Hazardous Chemical Warning
Label DD 2521(figure 4-1) or DD 2522(figure
A label developed by the facility that contains
the manufacturers name, the product name, and
either all hazard warnings provided by the
original stock system/manufacturers label, or a
locally developed hazard warning based on the
physical and health hazards listed on the stock
Some hazardous material containers may also
display one of the Department of Transportation
(DOT) shipping symbols shown in figure 4-3. These
symbols depict the hazard category of the material and
are used on outer packaging and on trucks and railway
cars that transport those materials.
Note: National Fire Protection Association
(NFPA) labels do not comply with the requirements of
the Occupational Safety and Health Administration
(OSHA) Hazard Communication (HAZCOM)
Standard. They may only be used to supplement a
HAZCOM compliant label.
What is the minimum information that OSHA
regulations require for labeling of hazardous
What information can you find in the HMUG?
SAFETY PRECAUTIONS FOR
As we mentioned above, you must follow the
prescribed safety precautions for the hazardous
materials you use or handle in your workplace. These
precautions are supported by requirements for
Figure 4-1.Large Department of Defense Hazardous
Chemical Warning Label (DD Form 2521).
Figure 4-2.Small Department of Defense Hazardous
Chemical Warning Label (DD Form 2522).