Main sources of lead include leaded gasoline, cosmetics, leaded paint, and over the counter drugs.
Lead deposits, which accumulated in soil and snow during the 1960s and '70s, were primarily the result of leaded gasoline emissions originating in the United States.
The European Environmental Agency has pushed for more studies, saying cell phones could be as big a public health risk as smoking, asbestos and leaded gasoline.
The results show that the homemade unleaded gasoline can replace the leaded gasoline with good consistency and discrimination. It is in full accordance with the test method.
Methyl tert-butyl ether (MTBE) is widely used as an addictive in unleaded gasoline to curb the air pollution caused by leaded gasoline.
New vehicles are equipped with electronic injection technology instead of carburators. Clean fuel will replace non-leaded gasoline gradually.
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