§ 172.540 POISON GAS 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49 CFR中“有毒气体（POISON GAS）”危险货物标志牌的具体视觉标准。核心要求包括：除尺寸和颜色外，需符合特定图形规范；背景及符号必须为白色；上方菱形背景为黑色，其下顶点须位于水平中心线上方65毫米处；文字、类别编号及内边框均为黑色。该规定直接关联危险品运输的合规申报与现场查验，适用于所有涉及有毒气体运输的环节。
- (a) Except for size and color, the POISON GAS placard must be as follows:
ER22JY97.024
- (b) In addition to complying with § 172.519, the background on the POISON GAS placard and the symbol must be white. The background of the upper diamond must be black and the lower point of the upper diamond must be 65 mm (2 5/8 inches) above the horizontal center line. The text, class number, and inner border must be black.
[62 FR 39408, July 22, 1997]