1509.8—Construction and finishing.
        
        (b) 
         All wood parts of non-full-size baby cribs shall be free from splits, cracks, or other defects that might lead to structural failure.
    
    
        
        (c) 
         Ends and sides of non-full-size baby cribs shall have no horizontal bar, ledge, projections, or other surface accessible to the child inside the crib that could be used as a toehold (any ledge or projection with a depth dimension greater than 1 centimeter ( 3/8 inch) located less than 40.6 centimeters (16 inches) above the mattress support in its lowest adjustable position when the crib side is in its highest adjustable position).