1. Hazard Communication

2. Hazard Communication
• Hazard communication involves the
communication of hazards about chemicals to
employees.
• Hazard communication is also known as the
“Right to Know”
• It is the responsibility of everyone to handle
chemical safely, understand chemical labels and
understand the Material Safety Data Sheet
(MSDS)

3. Your “Right to Know”
1. MSDS
2. Labeling
3. Written policy
4. Chemical inventory
5. Training and safety awareness

4. MSDS
The information includes:
- Chemical name
- Emergency and first aid procedure
- Safe handling
- Health and physical hazards
- Date of preparation of MSDS
- Control measures
- PEL or the Permissible Exposure Limit

5. Sample of MSDS

6. LABELING
The label must have the following:
- The chemical name
- Hazards of the chemical
- Manufacturer’s name and address
Unlabeled containers should never be used.
You should never remove a label from a container.

7. Sample of LABELING

8. NFPA Diamond
National Fire Protection Association

9. OSHA Recommended Scale
Occupational Safety and Health Administration
Danger (3 to 4 rating)
Warning (at least one 2 rating)
Caution (0 or 1 rating)

10. Special Hazard Information
OX = Oxidizer will rust metal
ACID = Acid
ALK = Alkali, base
COR = Corrosive
W = Keep clear of water

11. HMLS Label
Hazardous Materials Labeling Systems

12. References:
www.ehs.okstate.edu