There is no minimal safe exposure to free asbestos fibre. It is the most lethal industrial material of the twentieth century. Asbestosis and mesothelioma are the common diseases arising from exposure to it. Mesothelioma, a cancer, is distinctively brutal in the way it causes its victims to die. Typically, there are no symptoms for as many as forty years; when the disease appears, death follows after a few excruciatingly painful months. James Hardie, a conservative icon of Australian industry, was established in 1888 and its core business was fibro-cement manufacture, the fibre being asbestos. Gideon Haigh traces the postwar success of the company and its turning away from the gathering evidence of asbestos’s toxicity. Asbestos, it dissembled, was dangerous (like many industrial materials) rather than lethal. Hardie comforted itself in the belief that the incidence of disease reflected past periods of exposure and not the current changed practices. At the same time it failed even to meet these inadequate dust standards in its workplaces.
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