55. 46 CFR directs the location of fuel oil sounding tubes and access openings for fuel oil tanks on cargo vessels. Where can the tubes be located?

46 CFR mandates that fuel oil sounding tubes and access openings on cargo vessels be located in cargo holds, as these fittings are prohibited in accommodation or service spaces like crew lounges, laundries, and washrooms to prevent exposure to flammable vapors and potential spills.