E.I. du Pont de Nemours & Company (sponsor), Radebaugh, William H. (director), Radebaugh, William H. (producer), Radebaugh, William H. (screenwriter), Paine, William (narrator), Arden FIlms, Inc. (production company)
Film explores the work done at DuPont's Haskell Laboratories for Toxicology and Industrial Medicine in Wilmington, Delaware. Laboratory Director John Zapp hosts film. Discusses testing for food products, textiles and agricultural chemicals. Shows various shots of animal testing.