{"operation":"document","citation":"49 CFR 173.198","title":"Nickel carbonyl.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"(a) Nickel carbonyl must be packed in specification steel or nickel cylinders as prescribed for any compressed gas except acetylene. A cylinder used exclusively for nickel carbonyl may be given a complete external visual inspection instead of the pressure test required by § 180.205 of this subchapte","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-173-198.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-173-198.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-173-198","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-173.198","body":"(a) Nickel carbonyl must be packed in specification steel or nickel cylinders as prescribed for any compressed gas except acetylene. A cylinder used exclusively for nickel carbonyl may be given a complete external visual inspection instead of the pressure test required by § 180.205 of this subchapter. Visual inspection must be in accordance with CGA Pamphlet C-6 (IBR, see § 171.7 of this subchapter).\n\n(b) Packagings for nickel carbonyl must conform to § 173.40.\n\n[Amdt. 173-224, 55 FR 52643, Dec. 21, 1990, as amended at 67 FR 51643, Aug. 8, 2002; 68 FR 75742, Dec. 31, 2003]","truncated":false,"body_characters":579}