政策法规现行有效美国危险品合规

§ 172.555 POISON INHALATION HAZARD placard.

效力	法规类型	发布日期	生效日期	发文机构
现行有效	部门规章	2026-08-07	2026-09-08	Code of Federal Regulations (CFR) - Transportation (Title 49)

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“吸入性危害毒物”（POISON INHALATION HAZARD, PIH）标牌的具体视觉标准。除尺寸和颜色需符合通用规定外，该标牌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、类别号及内边框均为黑色。此规范旨在确保危险品在公路、铁路等运输过程中的标识统一性与可识别性，是危险品合规操作的基础要求。

(a) Except for size and color, the POISON INHALATION HAZARD placard must be as follows:

ER22JY97.025

(b) In addition to complying with § 172.519, the background on the POISON INHALATION HAZARD 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 39409, July 22, 1997]