The Division of Industrial Hygiene was a division of the U.S. Public Health Service (PHS) with responsibility for occupational safety and health programs. It existed from 1914 until 1971, when it became the National Institute for Occupational Safety and Health (NIOSH). It had several names during its existence, most notably the Office of Industrial Hygiene and Sanitation in its earlier years and the Division of Occupational Health during its later years.