The Industrial Hygiene Foundation of America, originally named the Air Hygiene Foundation and also called the Industrial Health Foundation, is a business trade organization concerned with occupational health in industrial businesses. It was founded in 1935 by the Mellon Institute of Industrial Research in response to the Hawks Nest Tunnel Disaster and is based in Pittsburgh, Pennsylvania. In 1941 the organization changed its name from "Air Hygiene Foundation" to "Industrial Hygiene Foundation." The Industrial Health Foundation hired ENVIRON to conduct tests of hexavalent chromium. It has been generally associated with defending corporations from environmental and safety regulations.