StacksVerified U.S. regulatory reference

46 CFR §154.1210

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Each hold space, void space, cofferdam, and spaces containing cargo piping must have:
    1. (1)A fixed mechanical ventilation system; or
    2. (2)A fixed ducting system that has a portable blower that meets § 154.1205(i) and (j).
  2. (b)A portable blower in any personnel access opening must not reduce the area of that opening so that the opening does not meet § 154.340.