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What is the most common way to get lead poisoning?

Lead-based paint and lead-contaminated dust in older buildings are common sources of lead poisoning in children. Other sources include contaminated air, water and soil. Adults who work with batteries, do home renovations or work in auto repair shops also might be exposed to lead.

What is the main source of lead?

Dust. Lead dust is the most common way that people are exposed to lead. Inside the home, most lead dust comes from chipping and flaking paint or when paint is scraped, sanded, or disturbed during home remodeling. Chipping and peeling paint is found mostly on surfaces that rub or bump up against another surface.

Where does the lead on earth come from?

Lead is a soft, dense, blue-gray metal. Lead occurs naturally in the earths crust, where it combines with other elements such as oxygen and sulfur. It is used to make batteries and metal mixtures.

Where is lead mainly produced?

The U.S. is the worlds largest producer and consumer of refined lead metal. Major mine producers other than the U.S. include Australia, Canada, China, Peru, and Kazakhstan. In the U.S., six lead mines in Missouri, plus lead-producing mines in Alaska and Idaho, accounted for all domestic mine production.

How is lead naturally found?

Lead is found in nature, rarely in pure form but in ores with other metals the most abundant one in the Earths crust being galena (PbS). Natural formation of lead occurs by radioactive decay of uranium and thorium through radon (222Rn).

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