An ocean going ship of 6000 gross tons or above must be fitted with a standard discharge shore connection with dimensions outlined in Pollution Prevention Regulations (33 CFR) or be substituted with a __________.

Correct Answer: Option C — portable adapter that meets the same specification outlined in 33 CFR, Subchapter "O"

Title 33 CFR mandates standard discharge shore connections for oily bilge residues on regulated vessels, but permits the use of an approved portable adapter meeting identical dimensional specifications to facilitate shoreside facility hookups globally.