172.047—Specific applicability.
         This section applies to each tank barge that carries, in independent tanks described in  § 151.15-1(b) of this chapter, a cargo listed in Table 30.25-1 of this chapter that is a—
    
    
    
        
        (b) 
         Flammable liquid that has a Reid vapor pressure in excess of 25 pounds per square inch (172.4 KPa).