(a) 1(1) If it bears or contains any poisonous or deleterious substance which may render it injurious to health; but in case the substance is not an added substance such food shall not be SEC. 404. ø21 U.S.C. 344¿ (a) Whenever the Secretary finds
after investigation that the distribution in interstate commerce of
any class of food may, by reason of contamination with micro-organisms during the manufacture, processing, or packing thereo