StacksVerified U.S. regulatory reference

49 CFR §173.198

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (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).
  2. (b)Packagings for nickel carbonyl must conform to § 173.40.