{"data":{"id":"us/49-cfr-195.304","jurisdiction":"us","citation":"49 CFR 195.304","heading":"Test pressure.","body":"The test pressure for each pressure test conducted under this subpart must be maintained throughout the part of the system being tested for at least 4 continuous hours at a pressure equal to 125 percent, or more, of the maximum operating pressure and, in the case of a pipeline that is not visually inspected for leakage during the test, for at least an additional 4 continuous hours at a pressure equal to 110 percent, or more, of the maximum operating pressure.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER D—PIPELINE SAFETY","PART 195—TRANSPORTATION OF HAZARDOUS LIQUIDS BY PIPELINE","Subpart E—Pressure Testing"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"5e5f7a593e5d02af63c766b5aab01faee487c1c3b1a5076e69e37786edd98376","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-195.303","next":"us/49-cfr-195.305"},"notice":"GroundRules: Original legal text. Not legal advice."}