Safety Warning "Diamond"
The entrance to the area where chemicals are stored should carry a "diamond" safety warning label, or another similar label.
Know the significance of these symbols.
You will see these frequently in adult life.
RED is FIRE DANGER
rated on a 0-4 basis.
If, for example, ether is present, a very high rating of 4 would be indicated.
Yellow
indicates
REACTIVITY
danger.
often "
WATER REACTIVE
" dangers
Sodium metal, if present, would require a 4 rating.
Sodium represents a danger to firemen, who might come busting into this area with a high pressure hose.
BLUE
represents HEALTH HAZARDS,
WHITE
signifies specific hazards, e.g. oxidizers, acids, bases, or corrosive materials.
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