{"data":{"id":"us/49-cfr-176.145","jurisdiction":"us","citation":"49 CFR 176.145","heading":"Segregation in single hold vessels.","body":"(a) On board a vessel having a single cargo hold, Class 1 (explosive) materials in hazard division/compatibility group 1.1B and 1.2B may be stowed in the same compartment with substances of compatibility group D, provided:\n(1) The net explosive weight of the compatibility group B explosive does not exceed 50 kg (110 pounds); and\n(2) The compatibility group B explosive materials are stowed in a steel portable magazine that is stowed at least 6 m (20 feet) from the compatibility group D substances.\n(b) Division/compatibility group 1.4B (explosive) materials may be stowed in the same compartment with substances of compatibility group D provided the Class 1 (explosive) materials of different compatibility groups are separated by either a distance of at least 6 m (20 feet) or by a steel partition.","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 176—CARRIAGE BY VESSEL","Subpart G—Detailed Requirements for Class 1 (Explosive) Materials"],"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":"1b7acc8cda1099594cdeed031a4efc5e133b7279705230ff9a2788ef1c1193cb","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-176.144","next":"us/49-cfr-176.146"},"notice":"GroundRules: Original legal text. Not legal advice."}