Cockburn sound tested for firefighting chemical contamination

Cockburn sound tested for firefighting chemical contamination A large number of reports of 'firework' sound heard during a firefight are reported. The chemical components are usually chemical byproducts of coal mining, particularly in South Australia (i.e. coal dust), and can also be caused by the removal of chemical wastes from coal mines such as polychlorinated biphenyls, polychlorinated biphenyls (PCBs) and heavy metals, and by the combustion of coal which was not subjected to chemical treatment (see Firefighting firefighting sound. There has been some debate about the effectiveness of such sound effects, with the…Více …