153.554—Special requirements for acids.
         When Table 1 refers to this section:
    
    
    
        
        (b) 
         Each cargo containment system must be separated from bunkers by double walls, such as a cofferdam and piping tunnels; and
    
    
        
        (c) 
         Each vessel must have on board a means to determine whether cargo has leaked into the spaces adjacent to a cargo containment system.