49 CFR § 195.4 - Compatibility necessary for transportation of hazardous liquids or carbon dioxide.

---
identifier: "/us/cfr/t49/s195.4"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "49 CFR § 195.4 - Compatibility necessary for transportation of hazardous liquids or carbon dioxide."
title_number: 49
title_name: "Transportation"
section_number: "195.4"
section_name: "Compatibility necessary for transportation of hazardous liquids or carbon dioxide."
chapter_name: "PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "D"
subchapter_name: "PIPELINE SAFETY"
part_number: "195"
part_name: "TRANSPORTATION OF HAZARDOUS LIQUIDS BY PIPELINE"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 185(w)(3), 49 U.S.C. 5103, 60101  and 49 CFR 1.97."
regulatory_source: "Amdt. 195-22, 46 FR 38360, July 27, 1981, unless otherwise noted."
cfr_part: "195"
---


# 195.4 Compatibility necessary for transportation of hazardous liquids or carbon dioxide.

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]