The required fireman's outfits required for MODU's are not to be used for any other purpose EXCEPT for the __________.

Correct Answer: Option C — self-contained breathing apparatus, when used as protection from gas leaking from a refrigeration unit

46 CFR 108.497 mandates that fireman's outfits be reserved strictly for firefighting. However, the self-contained breathing apparatus (SCBA) component is permitted for use as protection against hazardous gas leaks, such as refrigerant gases, provided the equipment is maintained in accordance with the manufacturer's instructions and regulatory safety standards.