
GHS
The 8 OSHA Pictograms vs the 9 GHS Pictograms: Why the Environment Symbol Isn't Required
OSHA requires 8 GHS pictograms on chemical labels; the 9th environment symbol (GHS09) is voluntary. Why, where else it is required, and how to keep your US labels compliant.
Jun 25, 2026
11 min read

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GHS Pictograms Explained: What Each Symbol Means
OSHA requires eight GHS pictograms to communicate chemical hazards at a glance (a ninth, the environment pictogram, is not OSHA-required). Learn what each red-framed symbol means, when they're required, and how to use them for workplace safety training.
Jan 18, 2026
22 min read