| http://www.w3.org/ns/prov#value | - Next to second-hand cigarette smoke and cooking emissions, house dust re-suspended by indoor human activity is the largest source of PM that we breathe.Surprisingly, house dust contains many pollutants, including pesticides, polychlorinated biphenyls (PCBs), polycyclic aromatic hydrocarbons (PAHs), molds, allergens, and lead and other heavy metals.
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