From OSHA.gov: As of June 1, 2015, the Hazard Communication Standard (HCS) will require pictograms on labels to alert users of the chemical hazards to which they may be exposed. Each pictogram consists of a symbol on a white background framed within a red border and represents a distinct hazard(s). The pictogram on the label is determined by the chemical hazard classification.
HCS Pictograms and Hazards
Health Hazard
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Flame
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Exclamation Mark
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Gas Cylinder
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Corrosion
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Exploding Bomb
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Flame Over Circle
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Environment
(Non-Mandatory)
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Skull and Crossbones
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Important!
Please notify your instructor if you are pregnant.