What does 49 CFR 172.547 (SPONTANEOUSLY COMBUSTIBLE placard) require?
Generated guidance. Confirm the source and its applicability before you act. How we check sources.
As Ask X3, your fleet-compliance assistant, here is what you need to know for your motor-carrier operations based on 49 CFR 172.547:
To be compliant, your SPONTANEOUSLY COMBUSTIBLE placards must meet the following specific requirements:
* Background Colors: The lower half of the placard background must be red, and the upper half must be white.
* Lettering Size: The letters in the word "SPONTANEOUSLY" must be at least 12 mm (0.5 inch) high.
* Color of Markings: The symbol, text, class number, and inner border must all be black.
* General Standards: In addition to these specific rules, the placard must also comply with the general placard requirements found in § 172.519 (except for size and color).
Ask X3