Most
of us have seen these diamonds on trucks as we pass them on the
highway. These diamonds are useful for safety and response teams to
identify what is in the truck so the correct precautionary and clean up
measures can be made.
The
NFPA 704 fire diamond (or hazmat diamond) is described in NFPA Standard
704, maintained by the National Fire Protection Association. The system
identifies four key hazards (health (blue), flammability (red),
instability (yellow), and special (white)) and their degree of severity.
Hazard severity is rated numerically, ranging from 0 (minimal) to 4
(severe).
Want to make your own customizable hazard diamond? Click here. Why does this feature exist? So people can make easily identifiable hazard diamonds for any chemical they have on hand.
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