67 Pa. Code § 601.5
(e) The following materials are prohibited, prohibited in bulk packaging or permitted in Commission tunnels under the following chart. Bulk packaging is defined in 49 CFR 171.8 (relating to definitions and abbreviations).
| Prohibited Hazardous Materials Classes | ||
| Hazardous Material | Class | Policy |
| All Explosives | 1.1—1.6 | Prohibited |
| Poison Gas | 2.3 | Prohibited |
| Dangerous When Wet | 4.3 | Prohibited |
| Organic Peroxide | 5.2 | Prohibited |
| Poison (Inhalation Hazard) | 6.1 | Prohibited |
| Radioactive | 7 | Prohibited |
| Prohibited in Bulk Packaging Hazardous Materials Classes | ||
| Hazardous Material | Class | Policy |
| Flammable Gas | 2.1 | Prohibited in bulk packaging |
| Flammable Liquid | 3 | Prohibited in bulk packaging |
| Flammable Solid | 4.1 | Prohibited in bulk packaging |
| Spontaneously Combustible | 4.2 | Prohibited in bulk packaging |
| Oxidizer | 5.1 | Prohibited in bulk packaging |
| Poison (Other than Inhalation Hazard) | 6 | Prohibited in bulk packaging |
| Corrosive | 8 | Prohibited in bulk packaging |
| Permitted Hazardous Materials Classes | ||
| Hazardous Material | Class | Policy |
| Non-Flammable Gas | 2.2 | Permitted |
| Combustible (Fuel Oil) | 3 | Permitted |
| Miscellaneous | 9 | Permitted |
| Dangerous | - | Permitted |
| Stow Away From Food Stuffs | - | Permitted |
The provisions of this § 601.5 amended under sections 4 and 12 of the act of May 21, 1937 (P.L. 774, No. 211) (36 P.S. § § 652d and 652l), 74 Pa.C.S. § § 8102, 8107, 8116 and 8117; and 75 Pa.C.S. § § 6110 and 6110.1.
The provisions of this § 601.5 adopted August 5, 1977, effective August 6, 1977, 7 Pa.B. 2196; amended October 29, 1992, effective October 30, 1992, 22 Pa.B. 5321; amended June 23, 2000, effective June 24, 2000, 30 Pa.B. 3175; amended December 1, 2023, effective December 2, 2023, 53 Pa.B. 7489. Immediately preceding text appears at serial pages (267404) to (267406).