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A major redesign of the Occupational Safety and Health Statistics (OSHS) system, the nation's primary source of information on job-related injuries and illnesses, began in 1988. The OSHS survey is a mandatory Bureau of Labor Statistics (BLS) survey, and is collected via mail in cooperation with State agencies. In order to fully convey to the reader the extensiveness of the OSHS redesign, this paper begins with a brief historical development and overview of the program.