CSR Limited send Senior Executive, MG King to the US, Canada, South Africa and Europe to study asbestos mining and manufacturing. It is the start of regular contact between CSR and John Manville, including further overseas trips between 1947 and 1952.
US adopt a “safe” dust limit of 176 particles of asbestos per cubic centimetre in the workplace.
German researchers identify six cancer deaths among asbestos textile works. Later animal studies confirm asbestos dust kills mice.