(1) Soil and dust in the living environment, toys and school tools, inferior paints and printing inks for home decoration, scalding wine and drinking with lead-containing lead pots or tin pots, and abusing lead-containing pills or remedies.
(2) Lead-containing foods, some beverages, inferior foods, Chinese herbal medicines, etc. Lead in food, such as some canned food, leads to the increase of lead content in food because of lead in weld; Foods with high lead content are mainly popcorn processed in containers with high lead content, and lead oxide is added to accelerate the ripening of preserved eggs.
(3) Lead in animals and plants. The lead content of plant food is influenced by the lead content of soil, fertilizer, pesticide and irrigation water. The lead content of animal food is influenced by the lead content of feed, pasture, air and drinking water.
(4) Air pollution, such as automobile exhaust with leaded gasoline, and families with coal products (such as briquettes) as fuel, the average content of lead in indoor air is much higher than that in outdoor air.
(5) Adults and clothes exposed to lead cross-infect children. For example, traffic booths, printing houses, steel mills, refineries, foundries, battery industries and mines are all the hardest hit areas of lead pollution. Many industries have access to lead compounds. As adults, we should pay attention to the prevention of lead poisoning, not only to protect ourselves, but also to protect our children.
(six) the use of lead-containing glazed porcelain; Use cosmetics containing lead.
Therefore, we should always pay attention to prevent lead poisoning in our daily life.