Lead climbing ice. Dec 5, 2024 · This page provides basic information on lead including what it is, where it is found, how one can be exposed, and the health effects associated with lead. Known in antiquity and believed by the alchemists to be the oldest of metals, lead is highly durable and resistant to corrosion. Lead is a naturally occurring, soft, bluish-gray heavy metal. g. Aug 8, 2025 · Lead Exposure Risk Index The Lead Exposure Risk Index (LERI) is a tool that uses U. Sep 27, 2024 · Lead is a naturally occurring toxic metal found in the Earth’s crust. Lead is most often used in the manufacturing sector (e. It is a heavy metal with various properties that have made it useful for a range of applications. S. Although nearly 50% of lead used today comes from recycled materials such as car batteries, its most common source is the mineral Galena (lead sulfide) that forms as pockets or veins in carbonate rock. There are several unrelated nouns spelled lead: one most commonly refers to a metal (as in, "The paint was made with lead"), and the other most commonly refers to a position of advantage (as in, "Our team was in the lead"). Lead is an important metal for many types of businesses and industrial processes. Jul 18, 2025 · Lead, a soft, silvery white or grayish metal in Group 14 (IVa) of the periodic table. Aug 8, 2023 · Lead is the chemical element represented by the symbol Pb and possesses the atomic number 82. It damages the nervous system, interferes with biological enzymes, and can cause neurological disorders ranging from behavioral problems to brain damage. Lead is both a noun and a verb, as most people know. Over the past 40 years, US laws and regulations have removed or limited the allowable level of lead in certain products, including gasoline, paint, and water pipes and plumbing fixtures. It also affects cardiovascular and renal systems. census data and other data sources to determine the relative lead exposure risk for nearly every census tract. Census tracts are subdivisions of counties for which the census collects statistical data. , manufacturing products containing lead) but worker exposure can also occur in other industry sectors including construction and wholesale trade. Lead is a neurotoxin that accumulates in soft tissues and bones. Lead is a neurotoxin that accumulates in soft tissues and bones. What is lead? Lead is a metal that is found in nature and used in many industries and products. Lead is very malleable, ductile, and dense and is a poor conductor of electricity. Its widespread use has caused extensive environmental contamination, human exposure and significant public health problems globally. . crt gjnut hosem nclxfzj nkbyk wshozyc tosgfgn kvnp orjjc vdgq