49 C.F.R. § 195.4 Compatibility necessary for transportation of hazardous liquids or carbon dioxide.
Title 49 - Transportation
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. [Amdt. 195–45, 56 FR 26925, June 12, 1991]
Title 49: Transportation
PART 195—TRANSPORTATION OF HAZARDOUS LIQUIDS BY PIPELINE
Subpart A—General
§ 195.4 Compatibility necessary for transportation of hazardous liquids or carbon dioxide.