“U.S. Fancy” consists of tangerines which meet the following requirements:
    
    
    
        
        (1) 
         Discoloration: Not more than one-tenth of the surface, in the aggregate, may be affected by discoloration. (See  § 51.1828.);
     
    
    
    
    
    
    
    
    
        
        (3) 
         Unhealed skin breaks; and,
     
    
    
        
        (c) 
         Free from damage caused by:
     
    
    
    
    
    
        
        (5) 
         Dirt or other foreign material;
     
    
        
        (6) 
         Dryness or mushy condition;