{"data":{"id":"us/33-cfr-157.172","jurisdiction":"us","citation":"33 CFR 157.172","heading":"Limitations on grades of crude oil carried.","body":"If a tank vessel having a COW system meeting § 157.10a(a)(2) or § 157.10c(b)(2) does not have segregated ballast tanks or dedicated clean ballast tanks that meet § 157.10c(c)(2), the owner, operator, and master shall ensure that the vessel carries only the grades of crude oil that can be used for crude oil washing.","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER O—POLLUTION","PART 157—RULES FOR THE PROTECTION OF THE MARINE ENVIRONMENT RELATING TO TANK VESSELS CARRYING OIL IN BULK","Subpart D—Crude Oil Washing (COW) System on Tank Vessels"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-33.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:35Z","sha256":"e50a310182fb537e2a5356646221294a38f70c4e675c45f79acfa548e1f3f119","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-157.170","next":"us/33-cfr-157.200"},"notice":"GroundRules: Original legal text. Not legal advice."}