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Class-7-Radioactive

Published by California Department of Toxic Substances Control | State of California | Metadata Last Checked: August 21, 2025 | Last Modified: 2020-02-06T16:45:38.000Z
Hazard Class 7: Class 7 hazards are substances or materials that are radioactive. Radioactive substances are recognized by yellow and white HAZMAT signs, with a radioactive logo in the top, yellow portion and the hazard class No. 7 at the bottom, on the white portion.

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