178.2550—4-Hydroxymethyl-2,6-di- tert -butylphenol.
         4-Hydroxymethyl-2,6-di-tert- butyl-phenol may be safely used as an antioxidant in articles intended for use in contact with food, in accordance with the following prescribed conditions:
    
    
    
        
        (b) 
         The concentration of the additive and any other permitted antioxidants in the finished food-contact article does not exceed a total of 0.5 milligram per square inch of food-contact surface.