Category:Pre-1974 United States hazmat placards
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United States' Hazardous material placards used prior to 1974, when the current design of hazardous material placards replaced these designs.
Media in category "Pre-1974 United States hazmat placards"
The following 4 files are in this category, out of 4 total.
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ICC - Acid - 1921.svg 360 × 360; 39 KB
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ICC - Dangerous Placard - 1930.svg 360 × 360; 261 KB
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ICC - Explosives - 1921.svg 360 × 283; 162 KB
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ICC Placard - Poison Gas - 1921.svg 360 × 253; 35 KB
