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What does 49 CFR 172.547 (SPONTANEOUSLY COMBUSTIBLE placard) require?

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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).

§ 49 CFR 172.547 · eCFR ↗Sources retrieved: 1 retrieved CFR section

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