§ 172.548 DANGEROUS WHEN WET placard.
发布08-07
生效09-08
摘要总结AI 辅助解读
本条款规定了美国运输部（DOT）关于“遇水危险”（DANGEROUS WHEN WET）危险品标志牌的具体视觉标准。核心要求包括：背景色必须为蓝色；符号、文字、类别数字及内边框必须为白色；“WHEN WET”字样高度至少为25毫米（1.0英寸）。除尺寸和颜色外，标志牌需符合§ 172.519的一般规定。该规范直接影响出口至美国的含4.3类（遇水释放易燃气体）货物的包装标识合规性。
- (a) Except for size and color, the DANGEROUS WHEN WET placard must be as follows:
EC02MR91.053
- (b) In addition to complying with § 172.519, the background color on the DANGEROUS WHEN WET placard must be blue. The letters in the words “WHEN WET” must be at least 25 mm (1.0 inches) high. The symbol, text, class number and inner border must be white.
[Amdt. 172-123, 56 FR 66263, Dec. 20, 1991]