政策法规现行有效美国危险品合规

§ 172.332 Identification number markings.

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

本条款规定了美国危险品运输中识别编号（Identification Number）在橙色面板（Orange Panels）和危险警告标牌（Placards）上的具体展示标准。核心要求包括：橙色面板尺寸为160mm×400mm，数字为100mm黑色Helvetica Medium字体；标牌上数字需位于白色背景中央，高度88mm。若使用COMBUSTIBLE标牌显示编号，铁路运输时下方背景必须全白。该规定直接影响危险品包装标记合规性，是PHMSA执法重点之一。

(a) General. When required by § 172.301, § 172.302, § 172.313, § 172.326, § 172.328, § 172.330, or § 172.331, identification number markings must be displayed on orange panels or placards as specified in this section, or on white square-on-point configurations as prescribed in § 172.336(b).
(b) Orange panels. Display of an identification number on an orange panel shall be in conformance with the following:

- (1) The orange panel must be 160 mm (6.3 inches) high by 400 mm (15.7 inches) wide with a 15 mm (0.6 inches) black outer border. The identification number shall be displayed in 100 mm (3.9 inches) black Helvetica Medium numerals on the orange panel. Measurements may vary from those specified plus or minus 5 mm (0.2 inches).

- (2) The orange panel may be made of any durable material prescribed for placards in § 172.519, and shall be of the orange color specified for labels or placards in appendix A to this part.

- (3) The name and hazard class of a material may be shown in the upper left border of the orange panel in letters not more than 18 points (0.25 in.) high.

- (4) Except for size and color, the orange panel and identification numbers shall be as illustrated for Liquefied petroleum gas:

EC02MR91.013

(c) Placards. Display of an identification number on a hazard warning placard shall be in conformance with the following:

- (1) The identification number shall be displayed across the center area of the placard in 88 mm (3.5 inches) black Alpine Gothic or Alternate Gothic No. 3 numerals on a white background 100 mm (3.9 inches) high and approximately 215 mm (8.5 inches) wide and may be outlined with a solid or dotted line border.

- (2) The top of the 100 mm (3.9 inches) high white background shall be approximately 40 mm (1.6 inches) above the placard horizontal center line.

- (3) An identification number may be displayed only on a placard corresponding to the primary hazard class of the hazardous material.

- (4) For a COMBUSTIBLE placard used to display an identification number, the entire background below the white background for the identification number must be white during transportation by rail and may be white during transportation by highway.

- (5) The name of the hazardous material and the hazard class may be shown in letters not more than 18 points high immediately within the upper border of the space on the placard bearing the identification number of the material.

- (6) If an identification number is placed over the word(s) on a placard, the word(s) should be substantially covered to maximize the effectiveness of the identification number.

(d) Example. Except for size and color, the display of an identification number on a placard shall be as illustrated for Acetone:

ER27DE22.034

[Amdt. 172-101, 45 FR 74667, Nov. 10, 1980, as amended by Amdt. 172-81, 48 FR 28099, June 20, 1983; Amdt. 172-110, 52 FR 29527, Aug. 10, 1987; Amdt. 172-123, 55 FR 52593, Dec. 21, 1990; 56 FR 66255, Dec. 20, 1991; Amdt. 172-151, 62 FR 1228, Jan. 8, 1997; 65 FR 50459, Aug. 18, 2000; 68 FR 57632, Oct. 6, 2003; 87 FR 79772, Dec. 27, 2022]