64.25—Cross section.
               		
               		
               	 	
               	 	
               	 	
               	 		
    
         A tank must have a cross section design that is—
    
    
    
        
        (b) 
         Other than circular and stress analyzed experimentally by the method contained in UG-101 of the ASME Code.
     
    [CGD 73-172, 39 FR 22950, June 25, 1974, as amended by CGD 84-043, 55 FR 37410, Sept. 11, 1990]