When Table 4 references this section, a vessel carrying the listed cargo must have a decontamination shower and an eye wash that:
    
    
        
        (a) 
         Are on the weatherdeck; and
     
    
        
        (b) 
         Have their location marked EMERGENCY SHOWER in letters:
     
    
        
        (1) 
         7.6 cm (3 in.) high; and