Chapman Commission

The Chapman Commission or the Technical Commission of Inquiry into the Prevalence of Miners' Phthisis and Pneumoconiosis in the Metalliferous Mines at Broken Hill was an extensive government medical inquiry that took place between 1919 and 1921. The inquiry established the cause and extent of the industrial disease pneumoconiosis among miners in the city of Broken Hill, New South Wales, Australia. It found abundant evidence of the disease and in doing so disproved an earlier royal commission which had concluded it was not present. The prevalence of lead poisoning was also investigated.

The Commission played an important role in ending the Big Strike and the introduction of safety and occupational reforms to the mines. As a result of the inquiry various acts of parliament were introduced to provide, for the first time, compensation for those suffering from dust disease.