“U.S. No. 1 Spanish” consists of shelled Spanish type peanut kernels which are whole and free from foreign material, damage and minor defects, and which will not pass through a screen having  15/64 ×  3/4 inch openings.
    
    
        
        (a) 
         In order to allow for variations incident to proper grading and handling, the following tolerances, by weight, shall be permitted:
     
    
        
        (1) 
         1 percent for other types of peanuts;
     
    
        
        (2) 
         3 percent for sound peanuts which are split or broken;
     
    
        
        (3) 
         1.5 percent for damaged or unshelled peanuts;
     
    
        
        (4) 
         0.5 percent for minor defects: Provided, That in addition, any unused part of the tolerance for damaged or unshelled peanuts shall be allowed for minor defects;
     
    
        
        (5) 
         0.1 percent for foreign material; and,
     
    
        
        (6) 
         2 percent for sound whole peanuts which will pass through the prescribed screen.