Strengthening the drug provisions of the 1938 Act were the focus of Senate hearings held in June of 1960. These hearings, chaired by Senator Estes Kefauver of the Subcommittee on Antitrust and Monopoly of the Committee on the Judiciary, resulted in S.3815. This bill aimed to protect the public health by instituting certain manufacturing practices, expanding antibiotic certification to all antibiotics, and by other measures.

Drug plant inspector (right) checks the working drug  formula against the master formula.