{"data":{"id":"us/49-cfr-179.100-19","jurisdiction":"us","citation":"49 CFR 179.100-19","heading":"-19 Tests of safety relief valves.","body":"(a) Each valve shall be tested by air or gas for compliance with § 179.15 before being put into service.\n(b) [Reserved]","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS","PART 179—SPECIFICATIONS FOR TANK CARS","Subpart C—Specifications for Pressure Tank Car Tanks (Classes DOT-105, 109, 112, 114 and 120)"],"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":"dabc5a44c7e961f352ca5e022d558551512263dacf7eb95610819281b0e3a5bd","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-179.100-18","next":"us/49-cfr-179.100-20"},"notice":"GroundRules: Original legal text. Not legal advice."}