Even relatively low levels of the poisons in dust can irritate their lungs, damage their developing nervous systems, retard their growth and hearing, or lead to cancer. Researchers estimate that every day the average infant under the age of two in urban America ingests 110 nanograms of benzopyrene, equivalent to smoking three cigarettes a day. This chemical, the most toxic of all polycyclic aromatic hydrocarbons, is normally found in tobacco smoke and cooking fumes. This is only an abstract. Carpets are piled high with toxic pollutants.
Carpets harbour 'toxic dust'.
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