When Table 4 references this section, a vessel carrying the listed cargo must have:

1. (a) Respiratory protection equipment for each person on board that protects the person from the cargo vapor for at least 5 minutes; and

2. (b) Two additional sets of respiratory protection equipment that:

   1. (1) Are stowed in the wheelhouse; and
   2. (2) Protects the wearer from the cargo vapor for at least 5 minutes.