Regulationcurrent
49 CFR 195.4
Compatibility necessary for transportation of hazardous liquids or carbon dioxide.
Current as of 2026-08-18 Government source
eCFR editorial compilationAuthoritative but unofficial
View source No person may transport any hazardous liquid or carbon dioxide unless the hazardous liquid or carbon dioxide is chemically compatible with both the pipeline, including all components, and any other commodity that it may come into contact with while in the pipeline.#